20218121296

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{8689}}^1\times {\mathrm{6323}}^1$

素因数の和:15043

約数の個数: 40

約数和(自身を含む): 40886936640

約数和(自身を除く): 20668815344

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 6323, 8689, 12646, 17378, 25292, 34756, 50584, 69512, 101168, 139024, 145429, 199847, 290858, 399694, 581716, 799388, 1163432, 1598776, 2326864, 3197552, 54940547, 109881094, 219762188, 439524376, 879048752, 1263632581, 2527265162, 5054530324, 10109060648, 20218121296]

約数ペア:

[(1, 20218121296), (2, 10109060648), (4, 5054530324), (8, 2527265162), (16, 1263632581), (23, 879048752), (46, 439524376), (92, 219762188), (184, 109881094), (368, 54940547), (6323, 3197552), (8689, 2326864), (12646, 1598776), (17378, 1163432), (25292, 799388), (34756, 581716), (50584, 399694), (69512, 290858), (101168, 199847), (139024, 145429)]