30990704

素因数分解:

$2^4\times {\mathrm{739}}^1\times {\mathrm{2621}}^1$

素因数の和:3368

約数の個数: 20

約数和(自身を含む): 60148680

約数和(自身を除く): 29157976

約数列:

[1, 2, 4, 8, 16, 739, 1478, 2621, 2956, 5242, 5912, 10484, 11824, 20968, 41936, 1936919, 3873838, 7747676, 15495352, 30990704]

約数ペア:

[(1, 30990704), (2, 15495352), (4, 7747676), (8, 3873838), (16, 1936919), (739, 41936), (1478, 20968), (2621, 11824), (2956, 10484), (5242, 5912)]