20022080

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4813}}^1$

素因数の和:4843

約数の個数: 56

約数和(自身を含む): 51355752

約数和(自身を除く): 31333672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4813, 9626, 19252, 24065, 38504, 48130, 62569, 77008, 96260, 125138, 154016, 192520, 250276, 308032, 312845, 385040, 500552, 625690, 770080, 1001104, 1251380, 1540160, 2002208, 2502760, 4004416, 5005520, 10011040, 20022080]

約数ペア:

[(1, 20022080), (2, 10011040), (4, 5005520), (5, 4004416), (8, 2502760), (10, 2002208), (13, 1540160), (16, 1251380), (20, 1001104), (26, 770080), (32, 625690), (40, 500552), (52, 385040), (64, 312845), (65, 308032), (80, 250276), (104, 192520), (130, 154016), (160, 125138), (208, 96260), (260, 77008), (320, 62569), (416, 48130), (520, 38504), (832, 24065), (1040, 19252), (2080, 9626), (4160, 4813)]