20595380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{701}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 47056464

約数和(自身を除く): 26461084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 701, 1130, 1402, 1469, 2260, 2804, 2938, 3505, 5876, 7010, 7345, 9113, 14020, 14690, 18226, 29380, 36452, 45565, 79213, 91130, 158426, 182260, 316852, 396065, 792130, 1029769, 1584260, 2059538, 4119076, 5148845, 10297690, 20595380]

約数ペア:

[(1, 20595380), (2, 10297690), (4, 5148845), (5, 4119076), (10, 2059538), (13, 1584260), (20, 1029769), (26, 792130), (52, 396065), (65, 316852), (113, 182260), (130, 158426), (226, 91130), (260, 79213), (452, 45565), (565, 36452), (701, 29380), (1130, 18226), (1402, 14690), (1469, 14020), (2260, 9113), (2804, 7345), (2938, 7010), (3505, 5876)]