20448770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 18042430

約数列:

[1, 2, 5, 10, 29, 58, 107, 145, 214, 290, 535, 659, 1070, 1318, 3103, 3295, 6206, 6590, 15515, 19111, 31030, 38222, 70513, 95555, 141026, 191110, 352565, 705130, 2044877, 4089754, 10224385, 20448770]

約数ペア:

[(1, 20448770), (2, 10224385), (5, 4089754), (10, 2044877), (29, 705130), (58, 352565), (107, 191110), (145, 141026), (214, 95555), (290, 70513), (535, 38222), (659, 31030), (1070, 19111), (1318, 15515), (3103, 6590), (3295, 6206)]