20104128005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18193781}}^1$

素因数の和:18193816

約数の個数: 16

約数和(自身を含む): 27508998384

約数和(自身を除く): 7404870379

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 18193781, 90968905, 236519153, 309294277, 1182595765, 1546471385, 4020825601, 20104128005]

約数ペア:

[(1, 20104128005), (5, 4020825601), (13, 1546471385), (17, 1182595765), (65, 309294277), (85, 236519153), (221, 90968905), (1105, 18193781)]