20309616

素因数分解:

$2^4\times 3^4\times {\mathrm{15671}}^1$

素因数の和:15691

約数の個数: 50

約数和(自身を含む): 58785672

約数和(自身を除く): 38476056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 15671, 31342, 47013, 62684, 94026, 125368, 141039, 188052, 250736, 282078, 376104, 423117, 564156, 752208, 846234, 1128312, 1269351, 1692468, 2256624, 2538702, 3384936, 5077404, 6769872, 10154808, 20309616]

約数ペア:

[(1, 20309616), (2, 10154808), (3, 6769872), (4, 5077404), (6, 3384936), (8, 2538702), (9, 2256624), (12, 1692468), (16, 1269351), (18, 1128312), (24, 846234), (27, 752208), (36, 564156), (48, 423117), (54, 376104), (72, 282078), (81, 250736), (108, 188052), (144, 141039), (162, 125368), (216, 94026), (324, 62684), (432, 47013), (648, 31342), (1296, 15671)]