20210064680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1747}}^1\times {\mathrm{22247}}^1$

素因数の和:24018

約数の個数: 64

約数和(自身を含む): 49000775040

約数和(自身を除く): 28790710360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1747, 3494, 6988, 8735, 13976, 17470, 22247, 22711, 34940, 44494, 45422, 69880, 88988, 90844, 111235, 113555, 177976, 181688, 222470, 227110, 289211, 444940, 454220, 578422, 889880, 908440, 1156844, 1446055, 2313688, 2892110, 5784220, 11568440, 38865509, 77731018, 155462036, 194327545, 310924072, 388655090, 505251617, 777310180, 1010503234, 1554620360, 2021006468, 2526258085, 4042012936, 5052516170, 10105032340, 20210064680]

約数ペア:

[(1, 20210064680), (2, 10105032340), (4, 5052516170), (5, 4042012936), (8, 2526258085), (10, 2021006468), (13, 1554620360), (20, 1010503234), (26, 777310180), (40, 505251617), (52, 388655090), (65, 310924072), (104, 194327545), (130, 155462036), (260, 77731018), (520, 38865509), (1747, 11568440), (3494, 5784220), (6988, 2892110), (8735, 2313688), (13976, 1446055), (17470, 1156844), (22247, 908440), (22711, 889880), (34940, 578422), (44494, 454220), (45422, 444940), (69880, 289211), (88988, 227110), (90844, 222470), (111235, 181688), (113555, 177976)]