20997331572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{743}}^1\times {\mathrm{3331}}^1$

素因数の和:4189

約数の個数: 96

約数和(自身を含む): 56640374784

約数和(自身を除く): 35643043212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 101, 202, 303, 404, 606, 707, 743, 1212, 1414, 1486, 2121, 2229, 2828, 2972, 3331, 4242, 4458, 5201, 6662, 8484, 8916, 9993, 10402, 13324, 15603, 19986, 20804, 23317, 31206, 39972, 46634, 62412, 69951, 75043, 93268, 139902, 150086, 225129, 279804, 300172, 336431, 450258, 525301, 672862, 900516, 1009293, 1050602, 1345724, 1575903, 2018586, 2101204, 2355017, 2474933, 3151806, 4037172, 4710034, 4949866, 6303612, 7065051, 7424799, 9420068, 9899732, 14130102, 14849598, 17324531, 28260204, 29699196, 34649062, 51973593, 69298124, 103947186, 207894372, 249968233, 499936466, 749904699, 999872932, 1499809398, 1749777631, 2999618796, 3499555262, 5249332893, 6999110524, 10498665786, 20997331572]

約数ペア:

[(1, 20997331572), (2, 10498665786), (3, 6999110524), (4, 5249332893), (6, 3499555262), (7, 2999618796), (12, 1749777631), (14, 1499809398), (21, 999872932), (28, 749904699), (42, 499936466), (84, 249968233), (101, 207894372), (202, 103947186), (303, 69298124), (404, 51973593), (606, 34649062), (707, 29699196), (743, 28260204), (1212, 17324531), (1414, 14849598), (1486, 14130102), (2121, 9899732), (2229, 9420068), (2828, 7424799), (2972, 7065051), (3331, 6303612), (4242, 4949866), (4458, 4710034), (5201, 4037172), (6662, 3151806), (8484, 2474933), (8916, 2355017), (9993, 2101204), (10402, 2018586), (13324, 1575903), (15603, 1345724), (19986, 1050602), (20804, 1009293), (23317, 900516), (31206, 672862), (39972, 525301), (46634, 450258), (62412, 336431), (69951, 300172), (75043, 279804), (93268, 225129), (139902, 150086)]