20186486840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{825961}}^1$

素因数の和:826032

約数の個数: 64

約数和(自身を含む): 49954181760

約数和(自身を除く): 29767694920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 3055, 4888, 6110, 12220, 24440, 825961, 1651922, 3303844, 4129805, 6607688, 8259610, 10737493, 16519220, 21474986, 33038440, 38820167, 42949972, 53687465, 77640334, 85899944, 107374930, 155280668, 194100835, 214749860, 310561336, 388201670, 429499720, 504662171, 776403340, 1009324342, 1552806680, 2018648684, 2523310855, 4037297368, 5046621710, 10093243420, 20186486840]

約数ペア:

[(1, 20186486840), (2, 10093243420), (4, 5046621710), (5, 4037297368), (8, 2523310855), (10, 2018648684), (13, 1552806680), (20, 1009324342), (26, 776403340), (40, 504662171), (47, 429499720), (52, 388201670), (65, 310561336), (94, 214749860), (104, 194100835), (130, 155280668), (188, 107374930), (235, 85899944), (260, 77640334), (376, 53687465), (470, 42949972), (520, 38820167), (611, 33038440), (940, 21474986), (1222, 16519220), (1880, 10737493), (2444, 8259610), (3055, 6607688), (4888, 4129805), (6110, 3303844), (12220, 1651922), (24440, 825961)]