20201398295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{287503}}^1$

素因数の和:287591

約数の個数: 32

約数和(自身を含む): 27821187072

約数和(自身を除く): 7619788777

約数列:

[1, 5, 13, 23, 47, 65, 115, 235, 299, 611, 1081, 1495, 3055, 5405, 14053, 70265, 287503, 1437515, 3737539, 6612569, 13512641, 18687695, 33062845, 67563205, 85963397, 175664333, 310790743, 429816985, 878321665, 1553953715, 4040279659, 20201398295]

約数ペア:

[(1, 20201398295), (5, 4040279659), (13, 1553953715), (23, 878321665), (47, 429816985), (65, 310790743), (115, 175664333), (235, 85963397), (299, 67563205), (611, 33062845), (1081, 18687695), (1495, 13512641), (3055, 6612569), (5405, 3737539), (14053, 1437515), (70265, 287503)]