20210274

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5531}}^1$

素因数の和:5575

約数の個数: 48

約数和(自身を含む): 51779520

約数和(自身を除く): 31569246

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5531, 11062, 16593, 33186, 38717, 49779, 77434, 99558, 116151, 160399, 232302, 320798, 348453, 481197, 696906, 962394, 1122793, 1443591, 2245586, 2887182, 3368379, 6736758, 10105137, 20210274]

約数ペア:

[(1, 20210274), (2, 10105137), (3, 6736758), (6, 3368379), (7, 2887182), (9, 2245586), (14, 1443591), (18, 1122793), (21, 962394), (29, 696906), (42, 481197), (58, 348453), (63, 320798), (87, 232302), (126, 160399), (174, 116151), (203, 99558), (261, 77434), (406, 49779), (522, 38717), (609, 33186), (1218, 16593), (1827, 11062), (3654, 5531)]