20807841656

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2493749}}^1$

素因数の和:2493911

約数の個数: 32

約数和(自身を含む): 44887500000

約数和(自身を除く): 24079658344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 4172, 8344, 2493749, 4987498, 9974996, 17456243, 19949992, 34912486, 69824972, 139649944, 371568601, 743137202, 1486274404, 2600980207, 2972548808, 5201960414, 10403920828, 20807841656]

約数ペア:

[(1, 20807841656), (2, 10403920828), (4, 5201960414), (7, 2972548808), (8, 2600980207), (14, 1486274404), (28, 743137202), (56, 371568601), (149, 139649944), (298, 69824972), (596, 34912486), (1043, 19949992), (1192, 17456243), (2086, 9974996), (4172, 4987498), (8344, 2493749)]