20905044

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 50050560

約数和(自身を除く): 29145516

約数列:

[1, 2, 3, 4, 6, 12, 83, 139, 151, 166, 249, 278, 302, 332, 417, 453, 498, 556, 604, 834, 906, 996, 1668, 1812, 11537, 12533, 20989, 23074, 25066, 34611, 37599, 41978, 46148, 50132, 62967, 69222, 75198, 83956, 125934, 138444, 150396, 251868, 1742087, 3484174, 5226261, 6968348, 10452522, 20905044]

約数ペア:

[(1, 20905044), (2, 10452522), (3, 6968348), (4, 5226261), (6, 3484174), (12, 1742087), (83, 251868), (139, 150396), (151, 138444), (166, 125934), (249, 83956), (278, 75198), (302, 69222), (332, 62967), (417, 50132), (453, 46148), (498, 41978), (556, 37599), (604, 34611), (834, 25066), (906, 23074), (996, 20989), (1668, 12533), (1812, 11537)]