20381330375

素因数分解:

$5^3\times 7^1\times {\mathrm{1601}}^1\times {\mathrm{14549}}^1$

素因数の和:16172

約数の個数: 32

約数和(自身を含む): 29089756800

約数和(自身を除く): 8708426425

約数列:

[1, 5, 7, 25, 35, 125, 175, 875, 1601, 8005, 11207, 14549, 40025, 56035, 72745, 101843, 200125, 280175, 363725, 509215, 1400875, 1818625, 2546075, 12730375, 23292949, 116464745, 163050643, 582323725, 815253215, 2911618625, 4076266075, 20381330375]

約数ペア:

[(1, 20381330375), (5, 4076266075), (7, 2911618625), (25, 815253215), (35, 582323725), (125, 163050643), (175, 116464745), (875, 23292949), (1601, 12730375), (8005, 2546075), (11207, 1818625), (14549, 1400875), (40025, 509215), (56035, 363725), (72745, 280175), (101843, 200125)]