20084767905

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 34891223040

約数和(自身を除く): 14806455135

約数列:

[1, 3, 5, 15, 37, 53, 59, 71, 111, 159, 163, 177, 185, 213, 265, 295, 355, 489, 555, 795, 815, 885, 1065, 1961, 2183, 2445, 2627, 3127, 3763, 4189, 5883, 6031, 6549, 7881, 8639, 9381, 9617, 9805, 10915, 11289, 11573, 12567, 13135, 15635, 18093, 18815, 20945, 25917, 28851, 29415, 30155, 32745, 34719, 39405, 43195, 46905, 48085, 56445, 57865, 62835, 90465, 115699, 129585, 139231, 144255, 154993, 173595, 222017, 319643, 347097, 355829, 417693, 428201, 464979, 509701, 578495, 613369, 666051, 682807, 696155, 774965, 958929, 1067487, 1110085, 1284603, 1529103, 1598215, 1735485, 1779145, 1840107, 2048421, 2088465, 2141005, 2324895, 2548505, 3066845, 3330255, 3414035, 4794645, 5337435, 6423015, 7645515, 8214629, 9200535, 10242105, 18858937, 22694653, 24643887, 25263859, 36188771, 41073145, 56576811, 68083959, 75791577, 94294685, 108566313, 113473265, 123219435, 126319295, 180943855, 282884055, 340419795, 378957885, 542831565, 1338984527, 4016953581, 6694922635, 20084767905]

約数ペア:

[(1, 20084767905), (3, 6694922635), (5, 4016953581), (15, 1338984527), (37, 542831565), (53, 378957885), (59, 340419795), (71, 282884055), (111, 180943855), (159, 126319295), (163, 123219435), (177, 113473265), (185, 108566313), (213, 94294685), (265, 75791577), (295, 68083959), (355, 56576811), (489, 41073145), (555, 36188771), (795, 25263859), (815, 24643887), (885, 22694653), (1065, 18858937), (1961, 10242105), (2183, 9200535), (2445, 8214629), (2627, 7645515), (3127, 6423015), (3763, 5337435), (4189, 4794645), (5883, 3414035), (6031, 3330255), (6549, 3066845), (7881, 2548505), (8639, 2324895), (9381, 2141005), (9617, 2088465), (9805, 2048421), (10915, 1840107), (11289, 1779145), (11573, 1735485), (12567, 1598215), (13135, 1529103), (15635, 1284603), (18093, 1110085), (18815, 1067487), (20945, 958929), (25917, 774965), (28851, 696155), (29415, 682807), (30155, 666051), (32745, 613369), (34719, 578495), (39405, 509701), (43195, 464979), (46905, 428201), (48085, 417693), (56445, 355829), (57865, 347097), (62835, 319643), (90465, 222017), (115699, 173595), (129585, 154993), (139231, 144255)]