20888388

素因数分解:

$2^2\times 3^3\times {\mathrm{269}}^1\times {\mathrm{719}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 33543612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 269, 538, 719, 807, 1076, 1438, 1614, 2157, 2421, 2876, 3228, 4314, 4842, 6471, 7263, 8628, 9684, 12942, 14526, 19413, 25884, 29052, 38826, 77652, 193411, 386822, 580233, 773644, 1160466, 1740699, 2320932, 3481398, 5222097, 6962796, 10444194, 20888388]

約数ペア:

[(1, 20888388), (2, 10444194), (3, 6962796), (4, 5222097), (6, 3481398), (9, 2320932), (12, 1740699), (18, 1160466), (27, 773644), (36, 580233), (54, 386822), (108, 193411), (269, 77652), (538, 38826), (719, 29052), (807, 25884), (1076, 19413), (1438, 14526), (1614, 12942), (2157, 9684), (2421, 8628), (2876, 7263), (3228, 6471), (4314, 4842)]