20188526568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{443431}}^1$

素因数の和:443718

約数の個数: 64

約数和(自身を含む): 57894481920

約数和(自身を除く): 37705955352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 271, 542, 813, 1084, 1626, 1897, 2168, 3252, 3794, 5691, 6504, 7588, 11382, 15176, 22764, 45528, 443431, 886862, 1330293, 1773724, 2660586, 3104017, 3547448, 5321172, 6208034, 9312051, 10642344, 12416068, 18624102, 24832136, 37248204, 74496408, 120169801, 240339602, 360509403, 480679204, 721018806, 841188607, 961358408, 1442037612, 1682377214, 2523565821, 2884075224, 3364754428, 5047131642, 6729508856, 10094263284, 20188526568]

約数ペア:

[(1, 20188526568), (2, 10094263284), (3, 6729508856), (4, 5047131642), (6, 3364754428), (7, 2884075224), (8, 2523565821), (12, 1682377214), (14, 1442037612), (21, 961358408), (24, 841188607), (28, 721018806), (42, 480679204), (56, 360509403), (84, 240339602), (168, 120169801), (271, 74496408), (542, 37248204), (813, 24832136), (1084, 18624102), (1626, 12416068), (1897, 10642344), (2168, 9312051), (3252, 6208034), (3794, 5321172), (5691, 3547448), (6504, 3104017), (7588, 2660586), (11382, 1773724), (15176, 1330293), (22764, 886862), (45528, 443431)]