20267872018

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{509}}^1\times {\mathrm{1669}}^1$

素因数の和:2410

約数の個数: 32

約数和(自身を含む): 31070016000

約数和(自身を除く): 10802143982

約数列:

[1, 2, 79, 151, 158, 302, 509, 1018, 1669, 3338, 11929, 23858, 40211, 76859, 80422, 131851, 153718, 252019, 263702, 504038, 849521, 1699042, 6071861, 12143722, 19909501, 39819002, 67112159, 128277671, 134224318, 256555342, 10133936009, 20267872018]

約数ペア:

[(1, 20267872018), (2, 10133936009), (79, 256555342), (151, 134224318), (158, 128277671), (302, 67112159), (509, 39819002), (1018, 19909501), (1669, 12143722), (3338, 6071861), (11929, 1699042), (23858, 849521), (40211, 504038), (76859, 263702), (80422, 252019), (131851, 153718)]