20370920

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{839}}^1$

素因数の和:1457

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 25593880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 839, 1214, 1678, 2428, 3035, 3356, 4195, 4856, 6070, 6712, 8390, 12140, 16780, 24280, 33560, 509273, 1018546, 2037092, 2546365, 4074184, 5092730, 10185460, 20370920]

約数ペア:

[(1, 20370920), (2, 10185460), (4, 5092730), (5, 4074184), (8, 2546365), (10, 2037092), (20, 1018546), (40, 509273), (607, 33560), (839, 24280), (1214, 16780), (1678, 12140), (2428, 8390), (3035, 6712), (3356, 6070), (4195, 4856)]