20305087690

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{599}}^1\times {\mathrm{911}}^1$

素因数の和:1639

約数の個数: 48

約数和(自身を含む): 37261036800

約数和(自身を除く): 16955949110

約数列:

[1, 2, 5, 10, 61, 122, 305, 599, 610, 911, 1198, 1822, 2995, 3721, 4555, 5990, 7442, 9110, 18605, 36539, 37210, 55571, 73078, 111142, 182695, 277855, 365390, 545689, 555710, 1091378, 2228879, 2728445, 3389831, 4457758, 5456890, 6779662, 11144395, 16949155, 22288790, 33287029, 33898310, 66574058, 166435145, 332870290, 2030508769, 4061017538, 10152543845, 20305087690]

約数ペア:

[(1, 20305087690), (2, 10152543845), (5, 4061017538), (10, 2030508769), (61, 332870290), (122, 166435145), (305, 66574058), (599, 33898310), (610, 33287029), (911, 22288790), (1198, 16949155), (1822, 11144395), (2995, 6779662), (3721, 5456890), (4555, 4457758), (5990, 3389831), (7442, 2728445), (9110, 2228879), (18605, 1091378), (36539, 555710), (37210, 545689), (55571, 365390), (73078, 277855), (111142, 182695)]