20568184

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1532

約数の個数: 64

約数和(自身を含む): 49996800

約数和(自身を除く): 29428616

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1487, 1729, 1976, 2974, 3458, 5948, 6916, 10409, 11896, 13832, 19331, 20818, 28253, 38662, 41636, 56506, 77324, 83272, 113012, 135317, 154648, 197771, 226024, 270634, 367289, 395542, 541268, 734578, 791084, 1082536, 1469156, 1582168, 2571023, 2938312, 5142046, 10284092, 20568184]

約数ペア:

[(1, 20568184), (2, 10284092), (4, 5142046), (7, 2938312), (8, 2571023), (13, 1582168), (14, 1469156), (19, 1082536), (26, 791084), (28, 734578), (38, 541268), (52, 395542), (56, 367289), (76, 270634), (91, 226024), (104, 197771), (133, 154648), (152, 135317), (182, 113012), (247, 83272), (266, 77324), (364, 56506), (494, 41636), (532, 38662), (728, 28253), (988, 20818), (1064, 19331), (1487, 13832), (1729, 11896), (1976, 10409), (2974, 6916), (3458, 5948)]