20440152

素因数分解:

$2^3\times 3^2\times {\mathrm{313}}^1\times {\mathrm{907}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 55596840

約数和(自身を除く): 35156688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 313, 626, 907, 939, 1252, 1814, 1878, 2504, 2721, 2817, 3628, 3756, 5442, 5634, 7256, 7512, 8163, 10884, 11268, 16326, 21768, 22536, 32652, 65304, 283891, 567782, 851673, 1135564, 1703346, 2271128, 2555019, 3406692, 5110038, 6813384, 10220076, 20440152]

約数ペア:

[(1, 20440152), (2, 10220076), (3, 6813384), (4, 5110038), (6, 3406692), (8, 2555019), (9, 2271128), (12, 1703346), (18, 1135564), (24, 851673), (36, 567782), (72, 283891), (313, 65304), (626, 32652), (907, 22536), (939, 21768), (1252, 16326), (1814, 11268), (1878, 10884), (2504, 8163), (2721, 7512), (2817, 7256), (3628, 5634), (3756, 5442)]