20742552

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{2797}}^1$

素因数の和:2912

約数の個数: 48

約数和(自身を含む): 56743440

約数和(自身を除く): 36000888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2797, 3708, 5594, 7416, 8391, 11188, 16782, 22376, 25173, 33564, 50346, 67128, 100692, 201384, 288091, 576182, 864273, 1152364, 1728546, 2304728, 2592819, 3457092, 5185638, 6914184, 10371276, 20742552]

約数ペア:

[(1, 20742552), (2, 10371276), (3, 6914184), (4, 5185638), (6, 3457092), (8, 2592819), (9, 2304728), (12, 1728546), (18, 1152364), (24, 864273), (36, 576182), (72, 288091), (103, 201384), (206, 100692), (309, 67128), (412, 50346), (618, 33564), (824, 25173), (927, 22376), (1236, 16782), (1854, 11188), (2472, 8391), (2797, 7416), (3708, 5594)]