20894050226

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{20177}}^1$

素因数の和:20451

約数の個数: 64

約数和(自身を含む): 40097721600

約数和(自身を除く): 19203671374

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 229, 238, 266, 323, 458, 646, 1603, 2261, 3206, 3893, 4351, 4522, 7786, 8702, 20177, 27251, 30457, 40354, 54502, 60914, 73967, 141239, 147934, 282478, 343009, 383363, 517769, 686018, 766726, 1035538, 2401063, 2683541, 4620533, 4802126, 5367082, 6517171, 9241066, 13034342, 32343731, 45620197, 64687462, 78549061, 87790127, 91240394, 157098122, 175580254, 549843427, 614530889, 1099686854, 1229061778, 1492432159, 2984864318, 10447025113, 20894050226]

約数ペア:

[(1, 20894050226), (2, 10447025113), (7, 2984864318), (14, 1492432159), (17, 1229061778), (19, 1099686854), (34, 614530889), (38, 549843427), (119, 175580254), (133, 157098122), (229, 91240394), (238, 87790127), (266, 78549061), (323, 64687462), (458, 45620197), (646, 32343731), (1603, 13034342), (2261, 9241066), (3206, 6517171), (3893, 5367082), (4351, 4802126), (4522, 4620533), (7786, 2683541), (8702, 2401063), (20177, 1035538), (27251, 766726), (30457, 686018), (40354, 517769), (54502, 383363), (60914, 343009), (73967, 282478), (141239, 147934)]