20170520928

素因数分解:

$2^5\times 3^2\times {\mathrm{101}}^1\times {\mathrm{693431}}^1$

素因数の和:693548

約数の個数: 72

約数和(自身を含む): 57927922416

約数和(自身を除く): 37757401488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 101, 144, 202, 288, 303, 404, 606, 808, 909, 1212, 1616, 1818, 2424, 3232, 3636, 4848, 7272, 9696, 14544, 29088, 693431, 1386862, 2080293, 2773724, 4160586, 5547448, 6240879, 8321172, 11094896, 12481758, 16642344, 22189792, 24963516, 33284688, 49927032, 66569376, 70036531, 99854064, 140073062, 199708128, 210109593, 280146124, 420219186, 560292248, 630328779, 840438372, 1120584496, 1260657558, 1680876744, 2241168992, 2521315116, 3361753488, 5042630232, 6723506976, 10085260464, 20170520928]

約数ペア:

[(1, 20170520928), (2, 10085260464), (3, 6723506976), (4, 5042630232), (6, 3361753488), (8, 2521315116), (9, 2241168992), (12, 1680876744), (16, 1260657558), (18, 1120584496), (24, 840438372), (32, 630328779), (36, 560292248), (48, 420219186), (72, 280146124), (96, 210109593), (101, 199708128), (144, 140073062), (202, 99854064), (288, 70036531), (303, 66569376), (404, 49927032), (606, 33284688), (808, 24963516), (909, 22189792), (1212, 16642344), (1616, 12481758), (1818, 11094896), (2424, 8321172), (3232, 6240879), (3636, 5547448), (4848, 4160586), (7272, 2773724), (9696, 2080293), (14544, 1386862), (29088, 693431)]