20944664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5443}}^1$

素因数の和:5499

約数の個数: 32

約数和(自身を含む): 43443120

約数和(自身を除く): 22498456

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5443, 10886, 21772, 43544, 70759, 141518, 201391, 283036, 402782, 566072, 805564, 1611128, 2618083, 5236166, 10472332, 20944664]

約数ペア:

[(1, 20944664), (2, 10472332), (4, 5236166), (8, 2618083), (13, 1611128), (26, 805564), (37, 566072), (52, 402782), (74, 283036), (104, 201391), (148, 141518), (296, 70759), (481, 43544), (962, 21772), (1924, 10886), (3848, 5443)]