20791010

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 17700190

約数列:

[1, 2, 5, 10, 59, 118, 131, 262, 269, 295, 538, 590, 655, 1310, 1345, 2690, 7729, 15458, 15871, 31742, 35239, 38645, 70478, 77290, 79355, 158710, 176195, 352390, 2079101, 4158202, 10395505, 20791010]

約数ペア:

[(1, 20791010), (2, 10395505), (5, 4158202), (10, 2079101), (59, 352390), (118, 176195), (131, 158710), (262, 79355), (269, 77290), (295, 70478), (538, 38645), (590, 35239), (655, 31742), (1310, 15871), (1345, 15458), (2690, 7729)]