20005901160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2741}}^1\times {\mathrm{8689}}^1$

素因数の和:11451

約数の個数: 128

約数和(自身を含む): 68624582400

約数和(自身を除く): 48618681240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2741, 5482, 8223, 8689, 10964, 13705, 16446, 17378, 19187, 21928, 26067, 27410, 32892, 34756, 38374, 41115, 43445, 52134, 54820, 57561, 60823, 65784, 69512, 76748, 82230, 86890, 95935, 104268, 109640, 115122, 121646, 130335, 153496, 164460, 173780, 182469, 191870, 208536, 230244, 243292, 260670, 287805, 304115, 328920, 347560, 364938, 383740, 460488, 486584, 521340, 575610, 608230, 729876, 767480, 912345, 1042680, 1151220, 1216460, 1459752, 1824690, 2302440, 2432920, 3649380, 7298760, 23816549, 47633098, 71449647, 95266196, 119082745, 142899294, 166715843, 190532392, 238165490, 285798588, 333431686, 357248235, 476330980, 500147529, 571597176, 666863372, 714496470, 833579215, 952661960, 1000295058, 1333726744, 1428992940, 1667158430, 2000590116, 2500737645, 2857985880, 3334316860, 4001180232, 5001475290, 6668633720, 10002950580, 20005901160]

約数ペア:

[(1, 20005901160), (2, 10002950580), (3, 6668633720), (4, 5001475290), (5, 4001180232), (6, 3334316860), (7, 2857985880), (8, 2500737645), (10, 2000590116), (12, 1667158430), (14, 1428992940), (15, 1333726744), (20, 1000295058), (21, 952661960), (24, 833579215), (28, 714496470), (30, 666863372), (35, 571597176), (40, 500147529), (42, 476330980), (56, 357248235), (60, 333431686), (70, 285798588), (84, 238165490), (105, 190532392), (120, 166715843), (140, 142899294), (168, 119082745), (210, 95266196), (280, 71449647), (420, 47633098), (840, 23816549), (2741, 7298760), (5482, 3649380), (8223, 2432920), (8689, 2302440), (10964, 1824690), (13705, 1459752), (16446, 1216460), (17378, 1151220), (19187, 1042680), (21928, 912345), (26067, 767480), (27410, 729876), (32892, 608230), (34756, 575610), (38374, 521340), (41115, 486584), (43445, 460488), (52134, 383740), (54820, 364938), (57561, 347560), (60823, 328920), (65784, 304115), (69512, 287805), (76748, 260670), (82230, 243292), (86890, 230244), (95935, 208536), (104268, 191870), (109640, 182469), (115122, 173780), (121646, 164460), (130335, 153496)]