20257470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4789}}^1$

素因数の和:4849

約数の個数: 48

約数和(自身を含む): 53801280

約数和(自身を除く): 33543810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4789, 9578, 14367, 23945, 28734, 43101, 47890, 71835, 86202, 143670, 215505, 225083, 431010, 450166, 675249, 1125415, 1350498, 2025747, 2250830, 3376245, 4051494, 6752490, 10128735, 20257470]

約数ペア:

[(1, 20257470), (2, 10128735), (3, 6752490), (5, 4051494), (6, 3376245), (9, 2250830), (10, 2025747), (15, 1350498), (18, 1125415), (30, 675249), (45, 450166), (47, 431010), (90, 225083), (94, 215505), (141, 143670), (235, 86202), (282, 71835), (423, 47890), (470, 43101), (705, 28734), (846, 23945), (1410, 14367), (2115, 9578), (4230, 4789)]