20888021224

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{39317}}^1$

素因数の和:39562

約数の個数: 64

約数和(自身を含む): 45860515200

約数和(自身を除く): 24972493976

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 179, 212, 358, 371, 424, 716, 742, 1253, 1432, 1484, 2506, 2968, 5012, 9487, 10024, 18974, 37948, 39317, 66409, 75896, 78634, 132818, 157268, 265636, 275219, 314536, 531272, 550438, 1100876, 2083801, 2201752, 4167602, 7037743, 8335204, 14075486, 14586607, 16670408, 28150972, 29173214, 49264201, 56301944, 58346428, 98528402, 116692856, 197056804, 373000379, 394113608, 746000758, 1492001516, 2611002653, 2984003032, 5222005306, 10444010612, 20888021224]

約数ペア:

[(1, 20888021224), (2, 10444010612), (4, 5222005306), (7, 2984003032), (8, 2611002653), (14, 1492001516), (28, 746000758), (53, 394113608), (56, 373000379), (106, 197056804), (179, 116692856), (212, 98528402), (358, 58346428), (371, 56301944), (424, 49264201), (716, 29173214), (742, 28150972), (1253, 16670408), (1432, 14586607), (1484, 14075486), (2506, 8335204), (2968, 7037743), (5012, 4167602), (9487, 2201752), (10024, 2083801), (18974, 1100876), (37948, 550438), (39317, 531272), (66409, 314536), (75896, 275219), (78634, 265636), (132818, 157268)]