20485748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{719}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 17616652

約数列:

[1, 2, 4, 17, 34, 68, 419, 719, 838, 1438, 1676, 2876, 7123, 12223, 14246, 24446, 28492, 48892, 301261, 602522, 1205044, 5121437, 10242874, 20485748]

約数ペア:

[(1, 20485748), (2, 10242874), (4, 5121437), (17, 1205044), (34, 602522), (68, 301261), (419, 48892), (719, 28492), (838, 24446), (1438, 14246), (1676, 12223), (2876, 7123)]