20402414925

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{47969}}^1$

素因数の和:48142

約数の個数: 48

約数和(自身を含む): 34690368960

約数和(自身を除く): 14287954035

約数列:

[1, 3, 5, 15, 25, 53, 75, 107, 159, 265, 321, 535, 795, 1325, 1605, 2675, 3975, 5671, 8025, 17013, 28355, 47969, 85065, 141775, 143907, 239845, 425325, 719535, 1199225, 2542357, 3597675, 5132683, 7627071, 12711785, 15398049, 25663415, 38135355, 63558925, 76990245, 128317075, 190676775, 272032199, 384951225, 816096597, 1360160995, 4080482985, 6800804975, 20402414925]

約数ペア:

[(1, 20402414925), (3, 6800804975), (5, 4080482985), (15, 1360160995), (25, 816096597), (53, 384951225), (75, 272032199), (107, 190676775), (159, 128317075), (265, 76990245), (321, 63558925), (535, 38135355), (795, 25663415), (1325, 15398049), (1605, 12711785), (2675, 7627071), (3975, 5132683), (5671, 3597675), (8025, 2542357), (17013, 1199225), (28355, 719535), (47969, 425325), (85065, 239845), (141775, 143907)]