20778106085

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{491}}^1\times {\mathrm{619}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 27750098880

約数和(自身を除く): 6971992795

約数列:

[1, 5, 11, 55, 113, 121, 491, 565, 605, 619, 1243, 2455, 3095, 5401, 6215, 6809, 13673, 27005, 34045, 55483, 59411, 68365, 69947, 74899, 277415, 297055, 303929, 349735, 374495, 610313, 769417, 1519645, 3051565, 3343219, 3847085, 6713443, 8463587, 16716095, 33567215, 34343977, 36775409, 42317935, 171719885, 183877045, 377783747, 1888918735, 4155621217, 20778106085]

約数ペア:

[(1, 20778106085), (5, 4155621217), (11, 1888918735), (55, 377783747), (113, 183877045), (121, 171719885), (491, 42317935), (565, 36775409), (605, 34343977), (619, 33567215), (1243, 16716095), (2455, 8463587), (3095, 6713443), (5401, 3847085), (6215, 3343219), (6809, 3051565), (13673, 1519645), (27005, 769417), (34045, 610313), (55483, 374495), (59411, 349735), (68365, 303929), (69947, 297055), (74899, 277415)]