2020144360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3884893}}^1$

素因数の和:3884917

約数の個数: 32

約数和(自身を含む): 4894966440

約数和(自身を除く): 2874822080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3884893, 7769786, 15539572, 19424465, 31079144, 38848930, 50503609, 77697860, 101007218, 155395720, 202014436, 252518045, 404028872, 505036090, 1010072180, 2020144360]

約数ペア:

[(1, 2020144360), (2, 1010072180), (4, 505036090), (5, 404028872), (8, 252518045), (10, 202014436), (13, 155395720), (20, 101007218), (26, 77697860), (40, 50503609), (52, 38848930), (65, 31079144), (104, 19424465), (130, 15539572), (260, 7769786), (520, 3884893)]