20185554675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:734

約数の個数: 192

約数和(自身を含む): 40917381120

約数和(自身を除く): 20731826445

約数列:

[1, 3, 5, 11, 13, 15, 25, 31, 33, 39, 55, 65, 75, 93, 109, 143, 155, 165, 195, 275, 325, 327, 341, 403, 429, 465, 545, 557, 715, 775, 825, 975, 1023, 1199, 1209, 1417, 1635, 1671, 1705, 2015, 2145, 2325, 2725, 2785, 3379, 3575, 3597, 4251, 4433, 5115, 5995, 6045, 6127, 7085, 7241, 8175, 8355, 8525, 10075, 10137, 10725, 13299, 13925, 15587, 16895, 17267, 17985, 18381, 21255, 21723, 22165, 25575, 29975, 30225, 30635, 35425, 36205, 37169, 41775, 43927, 46761, 50685, 51801, 60713, 66495, 77935, 79651, 84475, 86335, 89925, 91905, 106275, 108615, 110825, 111507, 131781, 153175, 181025, 182139, 185845, 189937, 219635, 224471, 233805, 238953, 253425, 259005, 303565, 332475, 389675, 398255, 431675, 459525, 483197, 543075, 557535, 569811, 658905, 667843, 673413, 789269, 910695, 929225, 949685, 1098175, 1122355, 1169025, 1194765, 1295025, 1449591, 1517825, 1882103, 1991275, 2003529, 2367807, 2415985, 2469181, 2787675, 2849055, 3294525, 3339215, 3367065, 3946345, 4553475, 4748425, 5611775, 5646309, 5973825, 7247955, 7407543, 8681959, 9410515, 10017645, 11839035, 12079925, 12345905, 14245275, 16696075, 16835325, 19731725, 20703133, 24467339, 26045877, 28231545, 36239775, 37037715, 43409795, 47052575, 50088225, 59195175, 61729525, 62109399, 73402017, 103515665, 122336695, 130229385, 141157725, 185188575, 217048975, 269140729, 310546995, 367010085, 517578325, 611683475, 651146925, 807422187, 1345703645, 1552734975, 1835050425, 4037110935, 6728518225, 20185554675]

約数ペア:

[(1, 20185554675), (3, 6728518225), (5, 4037110935), (11, 1835050425), (13, 1552734975), (15, 1345703645), (25, 807422187), (31, 651146925), (33, 611683475), (39, 517578325), (55, 367010085), (65, 310546995), (75, 269140729), (93, 217048975), (109, 185188575), (143, 141157725), (155, 130229385), (165, 122336695), (195, 103515665), (275, 73402017), (325, 62109399), (327, 61729525), (341, 59195175), (403, 50088225), (429, 47052575), (465, 43409795), (545, 37037715), (557, 36239775), (715, 28231545), (775, 26045877), (825, 24467339), (975, 20703133), (1023, 19731725), (1199, 16835325), (1209, 16696075), (1417, 14245275), (1635, 12345905), (1671, 12079925), (1705, 11839035), (2015, 10017645), (2145, 9410515), (2325, 8681959), (2725, 7407543), (2785, 7247955), (3379, 5973825), (3575, 5646309), (3597, 5611775), (4251, 4748425), (4433, 4553475), (5115, 3946345), (5995, 3367065), (6045, 3339215), (6127, 3294525), (7085, 2849055), (7241, 2787675), (8175, 2469181), (8355, 2415985), (8525, 2367807), (10075, 2003529), (10137, 1991275), (10725, 1882103), (13299, 1517825), (13925, 1449591), (15587, 1295025), (16895, 1194765), (17267, 1169025), (17985, 1122355), (18381, 1098175), (21255, 949685), (21723, 929225), (22165, 910695), (25575, 789269), (29975, 673413), (30225, 667843), (30635, 658905), (35425, 569811), (36205, 557535), (37169, 543075), (41775, 483197), (43927, 459525), (46761, 431675), (50685, 398255), (51801, 389675), (60713, 332475), (66495, 303565), (77935, 259005), (79651, 253425), (84475, 238953), (86335, 233805), (89925, 224471), (91905, 219635), (106275, 189937), (108615, 185845), (110825, 182139), (111507, 181025), (131781, 153175)]