20415408

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32717}}^1$

素因数の和:32741

約数の個数: 40

約数和(自身を含む): 56798448

約数和(自身を除く): 36383040

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32717, 65434, 98151, 130868, 196302, 261736, 392604, 425321, 523472, 785208, 850642, 1275963, 1570416, 1701284, 2551926, 3402568, 5103852, 6805136, 10207704, 20415408]

約数ペア:

[(1, 20415408), (2, 10207704), (3, 6805136), (4, 5103852), (6, 3402568), (8, 2551926), (12, 1701284), (13, 1570416), (16, 1275963), (24, 850642), (26, 785208), (39, 523472), (48, 425321), (52, 392604), (78, 261736), (104, 196302), (156, 130868), (208, 98151), (312, 65434), (624, 32717)]