20086590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 51549696

約数和(自身を除く): 31463106

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 645, 677, 690, 989, 1290, 1354, 1978, 2031, 2967, 3385, 4062, 4945, 5934, 6770, 9890, 10155, 14835, 15571, 20310, 29111, 29670, 31142, 46713, 58222, 77855, 87333, 93426, 145555, 155710, 174666, 233565, 291110, 436665, 467130, 669553, 873330, 1339106, 2008659, 3347765, 4017318, 6695530, 10043295, 20086590]

約数ペア:

[(1, 20086590), (2, 10043295), (3, 6695530), (5, 4017318), (6, 3347765), (10, 2008659), (15, 1339106), (23, 873330), (30, 669553), (43, 467130), (46, 436665), (69, 291110), (86, 233565), (115, 174666), (129, 155710), (138, 145555), (215, 93426), (230, 87333), (258, 77855), (345, 58222), (430, 46713), (645, 31142), (677, 29670), (690, 29111), (989, 20310), (1290, 15571), (1354, 14835), (1978, 10155), (2031, 9890), (2967, 6770), (3385, 5934), (4062, 4945)]