20309017390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{109583}}^1$

素因数の和:110064

約数の個数: 32

約数和(自身を含む): 37493508096

約数和(自身を除く): 17184490706

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 431, 862, 2155, 4310, 18533, 37066, 92665, 109583, 185330, 219166, 547915, 1095830, 4712069, 9424138, 23560345, 47120690, 47230273, 94460546, 236151365, 472302730, 2030901739, 4061803478, 10154508695, 20309017390]

約数ペア:

[(1, 20309017390), (2, 10154508695), (5, 4061803478), (10, 2030901739), (43, 472302730), (86, 236151365), (215, 94460546), (430, 47230273), (431, 47120690), (862, 23560345), (2155, 9424138), (4310, 4712069), (18533, 1095830), (37066, 547915), (92665, 219166), (109583, 185330)]