20783945949

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{37223}}^1$

素因数の和:37481

約数の個数: 32

約数和(自身を含む): 30350960640

約数和(自身を除く): 9567014691

約数列:

[1, 3, 13, 39, 103, 139, 309, 417, 1339, 1807, 4017, 5421, 14317, 37223, 42951, 111669, 186121, 483899, 558363, 1451697, 3833969, 5173997, 11501907, 15521991, 49841597, 67261961, 149524791, 201785883, 532921691, 1598765073, 6927981983, 20783945949]

約数ペア:

[(1, 20783945949), (3, 6927981983), (13, 1598765073), (39, 532921691), (103, 201785883), (139, 149524791), (309, 67261961), (417, 49841597), (1339, 15521991), (1807, 11501907), (4017, 5173997), (5421, 3833969), (14317, 1451697), (37223, 558363), (42951, 483899), (111669, 186121)]