20573360

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1123}}^1$

素因数の和:1365

約数の個数: 40

約数和(自身を含む): 48084720

約数和(自身を除く): 27511360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1123, 1145, 1832, 2246, 2290, 3664, 4492, 4580, 5615, 8984, 9160, 11230, 17968, 18320, 22460, 44920, 89840, 257167, 514334, 1028668, 1285835, 2057336, 2571670, 4114672, 5143340, 10286680, 20573360]

約数ペア:

[(1, 20573360), (2, 10286680), (4, 5143340), (5, 4114672), (8, 2571670), (10, 2057336), (16, 1285835), (20, 1028668), (40, 514334), (80, 257167), (229, 89840), (458, 44920), (916, 22460), (1123, 18320), (1145, 17968), (1832, 11230), (2246, 9160), (2290, 8984), (3664, 5615), (4492, 4580)]