20147830075

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{2788627}}^1$

素因数の和:2788671

約数の個数: 18

約数和(自身を含む): 26539372676

約数和(自身を除く): 6391542601

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 2788627, 13943135, 47406659, 69715675, 237033295, 805913203, 1185166475, 4029566015, 20147830075]

約数ペア:

[(1, 20147830075), (5, 4029566015), (17, 1185166475), (25, 805913203), (85, 237033295), (289, 69715675), (425, 47406659), (1445, 13943135), (7225, 2788627)]