20730390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8747}}^1$

素因数の和:8836

約数の個数: 32

約数和(自身を含む): 50388480

約数和(自身を除く): 29658090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 8747, 17494, 26241, 43735, 52482, 87470, 131205, 262410, 691013, 1382026, 2073039, 3455065, 4146078, 6910130, 10365195, 20730390]

約数ペア:

[(1, 20730390), (2, 10365195), (3, 6910130), (5, 4146078), (6, 3455065), (10, 2073039), (15, 1382026), (30, 691013), (79, 262410), (158, 131205), (237, 87470), (395, 52482), (474, 43735), (790, 26241), (1185, 17494), (2370, 8747)]