20528068457

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1\times {\mathrm{557}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 22920845472

約数和(自身を除く): 2392777015

約数列:

[1, 13, 37, 193, 397, 481, 557, 2509, 5161, 7141, 7241, 14689, 20609, 76621, 92833, 107501, 190957, 221129, 267917, 996073, 1397513, 2834977, 2874677, 3977537, 8181773, 36854701, 42677897, 51707981, 106363049, 554812661, 1579082189, 20528068457]

約数ペア:

[(1, 20528068457), (13, 1579082189), (37, 554812661), (193, 106363049), (397, 51707981), (481, 42677897), (557, 36854701), (2509, 8181773), (5161, 3977537), (7141, 2874677), (7241, 2834977), (14689, 1397513), (20609, 996073), (76621, 267917), (92833, 221129), (107501, 190957)]