20440476

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2797}}^1$

素因数の和:2843

約数の個数: 72

約数和(自身を含む): 61108320

約数和(自身を除く): 40667844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2797, 3654, 5594, 7308, 8391, 11188, 16782, 19579, 25173, 33564, 39158, 50346, 58737, 78316, 81113, 100692, 117474, 162226, 176211, 234948, 243339, 324452, 352422, 486678, 567791, 704844, 730017, 973356, 1135582, 1460034, 1703373, 2271164, 2920068, 3406746, 5110119, 6813492, 10220238, 20440476]

約数ペア:

[(1, 20440476), (2, 10220238), (3, 6813492), (4, 5110119), (6, 3406746), (7, 2920068), (9, 2271164), (12, 1703373), (14, 1460034), (18, 1135582), (21, 973356), (28, 730017), (29, 704844), (36, 567791), (42, 486678), (58, 352422), (63, 324452), (84, 243339), (87, 234948), (116, 176211), (126, 162226), (174, 117474), (203, 100692), (252, 81113), (261, 78316), (348, 58737), (406, 50346), (522, 39158), (609, 33564), (812, 25173), (1044, 19579), (1218, 16782), (1827, 11188), (2436, 8391), (2797, 7308), (3654, 5594)]