20571252

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 52073280

約数和(自身を除く): 31502028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 489, 652, 809, 978, 1618, 1956, 2119, 2427, 3236, 4238, 4854, 6357, 8476, 9708, 10517, 12714, 21034, 25428, 31551, 42068, 63102, 126204, 131867, 263734, 395601, 527468, 791202, 1582404, 1714271, 3428542, 5142813, 6857084, 10285626, 20571252]

約数ペア:

[(1, 20571252), (2, 10285626), (3, 6857084), (4, 5142813), (6, 3428542), (12, 1714271), (13, 1582404), (26, 791202), (39, 527468), (52, 395601), (78, 263734), (156, 131867), (163, 126204), (326, 63102), (489, 42068), (652, 31551), (809, 25428), (978, 21034), (1618, 12714), (1956, 10517), (2119, 9708), (2427, 8476), (3236, 6357), (4238, 4854)]