20778990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22343}}^1$

素因数の和:22384

約数の個数: 32

約数和(自身を含む): 51480576

約数和(自身を除く): 30701586

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22343, 44686, 67029, 111715, 134058, 223430, 335145, 670290, 692633, 1385266, 2077899, 3463165, 4155798, 6926330, 10389495, 20778990]

約数ペア:

[(1, 20778990), (2, 10389495), (3, 6926330), (5, 4155798), (6, 3463165), (10, 2077899), (15, 1385266), (30, 692633), (31, 670290), (62, 335145), (93, 223430), (155, 134058), (186, 111715), (310, 67029), (465, 44686), (930, 22343)]