20185205105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{293}}^1\times {\mathrm{7019}}^1$

素因数の和:7481

約数の個数: 32

約数和(自身を含む): 26351619840

約数和(自身を除く): 6166414735

約数列:

[1, 5, 13, 65, 151, 293, 755, 1465, 1963, 3809, 7019, 9815, 19045, 35095, 44243, 91247, 221215, 456235, 575159, 1059869, 2056567, 2875795, 5299345, 10282835, 13778297, 26735371, 68891485, 133676855, 310541617, 1552708085, 4037041021, 20185205105]

約数ペア:

[(1, 20185205105), (5, 4037041021), (13, 1552708085), (65, 310541617), (151, 133676855), (293, 68891485), (755, 26735371), (1465, 13778297), (1963, 10282835), (3809, 5299345), (7019, 2875795), (9815, 2056567), (19045, 1059869), (35095, 575159), (44243, 456235), (91247, 221215)]