20723004

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^2\times {\mathrm{599}}^1$

素因数の和:671

約数の個数: 54

約数和(自身を含む): 54217800

約数和(自身を除く): 33494796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 599, 961, 1116, 1198, 1797, 1922, 2396, 2883, 3594, 3844, 5391, 5766, 7188, 8649, 10782, 11532, 17298, 18569, 21564, 34596, 37138, 55707, 74276, 111414, 167121, 222828, 334242, 575639, 668484, 1151278, 1726917, 2302556, 3453834, 5180751, 6907668, 10361502, 20723004]

約数ペア:

[(1, 20723004), (2, 10361502), (3, 6907668), (4, 5180751), (6, 3453834), (9, 2302556), (12, 1726917), (18, 1151278), (31, 668484), (36, 575639), (62, 334242), (93, 222828), (124, 167121), (186, 111414), (279, 74276), (372, 55707), (558, 37138), (599, 34596), (961, 21564), (1116, 18569), (1198, 17298), (1797, 11532), (1922, 10782), (2396, 8649), (2883, 7188), (3594, 5766), (3844, 5391)]