20565657016

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1\times {\mathrm{877}}^1$

素因数の和:1496

約数の個数: 64

約数和(自身を含む): 39936708000

約数和(自身を除く): 19371050984

約数列:

[1, 2, 4, 8, 37, 74, 148, 227, 296, 349, 454, 698, 877, 908, 1396, 1754, 1816, 2792, 3508, 7016, 8399, 12913, 16798, 25826, 32449, 33596, 51652, 64898, 67192, 79223, 103304, 129796, 158446, 199079, 259592, 306073, 316892, 398158, 612146, 633784, 796316, 1224292, 1592632, 2448584, 2931251, 5862502, 7365923, 11324701, 11725004, 14731846, 22649402, 23450008, 29463692, 45298804, 58927384, 69478571, 90597608, 138957142, 277914284, 555828568, 2570707127, 5141414254, 10282828508, 20565657016]

約数ペア:

[(1, 20565657016), (2, 10282828508), (4, 5141414254), (8, 2570707127), (37, 555828568), (74, 277914284), (148, 138957142), (227, 90597608), (296, 69478571), (349, 58927384), (454, 45298804), (698, 29463692), (877, 23450008), (908, 22649402), (1396, 14731846), (1754, 11725004), (1816, 11324701), (2792, 7365923), (3508, 5862502), (7016, 2931251), (8399, 2448584), (12913, 1592632), (16798, 1224292), (25826, 796316), (32449, 633784), (33596, 612146), (51652, 398158), (64898, 316892), (67192, 306073), (79223, 259592), (103304, 199079), (129796, 158446)]