20175363580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3529}}^1\times {\mathrm{9221}}^1$

素因数の和:12790

約数の個数: 48

約数和(自身を含む): 43752119040

約数和(自身を除く): 23576755460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3529, 7058, 9221, 14116, 17645, 18442, 35290, 36884, 46105, 70580, 92210, 109399, 184420, 218798, 285851, 437596, 546995, 571702, 1093990, 1143404, 1429255, 2187980, 2858510, 5717020, 32540909, 65081818, 130163636, 162704545, 325409090, 650818180, 1008768179, 2017536358, 4035072716, 5043840895, 10087681790, 20175363580]

約数ペア:

[(1, 20175363580), (2, 10087681790), (4, 5043840895), (5, 4035072716), (10, 2017536358), (20, 1008768179), (31, 650818180), (62, 325409090), (124, 162704545), (155, 130163636), (310, 65081818), (620, 32540909), (3529, 5717020), (7058, 2858510), (9221, 2187980), (14116, 1429255), (17645, 1143404), (18442, 1093990), (35290, 571702), (36884, 546995), (46105, 437596), (70580, 285851), (92210, 218798), (109399, 184420)]