20178582

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 41985024

約数和(自身を除く): 21806442

約数列:

[1, 2, 3, 6, 31, 62, 93, 157, 186, 314, 471, 691, 942, 1382, 2073, 4146, 4867, 9734, 14601, 21421, 29202, 42842, 64263, 108487, 128526, 216974, 325461, 650922, 3363097, 6726194, 10089291, 20178582]

約数ペア:

[(1, 20178582), (2, 10089291), (3, 6726194), (6, 3363097), (31, 650922), (62, 325461), (93, 216974), (157, 128526), (186, 108487), (314, 64263), (471, 42842), (691, 29202), (942, 21421), (1382, 14601), (2073, 9734), (4146, 4867)]