20149472

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3911}}^1$

素因数の和:3951

約数の個数: 48

約数和(自身を含む): 47319552

約数和(自身を除く): 27170080

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 3911, 5152, 7822, 15644, 27377, 31288, 54754, 62576, 89953, 109508, 125152, 179906, 219016, 359812, 438032, 629671, 719624, 876064, 1259342, 1439248, 2518684, 2878496, 5037368, 10074736, 20149472]

約数ペア:

[(1, 20149472), (2, 10074736), (4, 5037368), (7, 2878496), (8, 2518684), (14, 1439248), (16, 1259342), (23, 876064), (28, 719624), (32, 629671), (46, 438032), (56, 359812), (92, 219016), (112, 179906), (161, 125152), (184, 109508), (224, 89953), (322, 62576), (368, 54754), (644, 31288), (736, 27377), (1288, 15644), (2576, 7822), (3911, 5152)]