20455710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61987}}^1$

素因数の和:62008

約数の個数: 32

約数和(自身を含む): 53557632

約数和(自身を除く): 33101922

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 61987, 123974, 185961, 309935, 371922, 619870, 681857, 929805, 1363714, 1859610, 2045571, 3409285, 4091142, 6818570, 10227855, 20455710]

約数ペア:

[(1, 20455710), (2, 10227855), (3, 6818570), (5, 4091142), (6, 3409285), (10, 2045571), (11, 1859610), (15, 1363714), (22, 929805), (30, 681857), (33, 619870), (55, 371922), (66, 309935), (110, 185961), (165, 123974), (330, 61987)]