20716578430

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1471}}^1\times {\mathrm{17827}}^1$

素因数の和:19384

約数の個数: 32

約数和(自身を含む): 37789655040

約数和(自身を除く): 17073076610

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 1471, 2942, 7355, 14710, 17827, 35654, 89135, 116209, 178270, 232418, 581045, 1162090, 1408333, 2816666, 7041665, 14083330, 26223517, 52447034, 131117585, 262235170, 2071657843, 4143315686, 10358289215, 20716578430]

約数ペア:

[(1, 20716578430), (2, 10358289215), (5, 4143315686), (10, 2071657843), (79, 262235170), (158, 131117585), (395, 52447034), (790, 26223517), (1471, 14083330), (2942, 7041665), (7355, 2816666), (14710, 1408333), (17827, 1162090), (35654, 581045), (89135, 232418), (116209, 178270)]