20914125

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 35637888

約数和(自身を除く): 14723763

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 645, 1075, 1297, 3225, 3891, 5375, 6485, 16125, 19455, 32425, 55771, 97275, 162125, 167313, 278855, 486375, 836565, 1394275, 4182825, 6971375, 20914125]

約数ペア:

[(1, 20914125), (3, 6971375), (5, 4182825), (15, 1394275), (25, 836565), (43, 486375), (75, 278855), (125, 167313), (129, 162125), (215, 97275), (375, 55771), (645, 32425), (1075, 19455), (1297, 16125), (3225, 6485), (3891, 5375)]