20165577965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{244091}}^1$

素因数の和:244181

約数の個数: 32

約数和(自身を含む): 27557010432

約数和(自身を除く): 7391432467

約数列:

[1, 5, 13, 31, 41, 65, 155, 205, 403, 533, 1271, 2015, 2665, 6355, 16523, 82615, 244091, 1220455, 3173183, 7566821, 10007731, 15865915, 37834105, 50038655, 98368673, 130100503, 310239661, 491843365, 650502515, 1551198305, 4033115593, 20165577965]

約数ペア:

[(1, 20165577965), (5, 4033115593), (13, 1551198305), (31, 650502515), (41, 491843365), (65, 310239661), (155, 130100503), (205, 98368673), (403, 50038655), (533, 37834105), (1271, 15865915), (2015, 10007731), (2665, 7566821), (6355, 3173183), (16523, 1220455), (82615, 244091)]