20138711020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2081}}^1\times {\mathrm{28463}}^1$

素因数の和:30570

約数の個数: 48

約数和(自身を含む): 44802108288

約数和(自身を除く): 24663397268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2081, 4162, 8324, 10405, 20810, 28463, 35377, 41620, 56926, 70754, 113852, 141508, 142315, 176885, 284630, 353770, 483871, 569260, 707540, 967742, 1935484, 2419355, 4838710, 9677420, 59231503, 118463006, 236926012, 296157515, 592315030, 1006935551, 1184630060, 2013871102, 4027742204, 5034677755, 10069355510, 20138711020]

約数ペア:

[(1, 20138711020), (2, 10069355510), (4, 5034677755), (5, 4027742204), (10, 2013871102), (17, 1184630060), (20, 1006935551), (34, 592315030), (68, 296157515), (85, 236926012), (170, 118463006), (340, 59231503), (2081, 9677420), (4162, 4838710), (8324, 2419355), (10405, 1935484), (20810, 967742), (28463, 707540), (35377, 569260), (41620, 483871), (56926, 353770), (70754, 284630), (113852, 176885), (141508, 142315)]