20883808

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{751}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 45480960

約数和(自身を除く): 24597152

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 158, 176, 316, 352, 632, 751, 869, 1264, 1502, 1738, 2528, 3004, 3476, 6008, 6952, 8261, 12016, 13904, 16522, 24032, 27808, 33044, 59329, 66088, 118658, 132176, 237316, 264352, 474632, 652619, 949264, 1305238, 1898528, 2610476, 5220952, 10441904, 20883808]

約数ペア:

[(1, 20883808), (2, 10441904), (4, 5220952), (8, 2610476), (11, 1898528), (16, 1305238), (22, 949264), (32, 652619), (44, 474632), (79, 264352), (88, 237316), (158, 132176), (176, 118658), (316, 66088), (352, 59329), (632, 33044), (751, 27808), (869, 24032), (1264, 16522), (1502, 13904), (1738, 12016), (2528, 8261), (3004, 6952), (3476, 6008)]