17239820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 39664128

約数和(自身を除く): 22424308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1087, 1220, 1586, 2174, 3172, 3965, 4348, 5435, 7930, 10870, 14131, 15860, 21740, 28262, 56524, 66307, 70655, 132614, 141310, 265228, 282620, 331535, 663070, 861991, 1326140, 1723982, 3447964, 4309955, 8619910, 17239820]

約数ペア:

[(1, 17239820), (2, 8619910), (4, 4309955), (5, 3447964), (10, 1723982), (13, 1326140), (20, 861991), (26, 663070), (52, 331535), (61, 282620), (65, 265228), (122, 141310), (130, 132614), (244, 70655), (260, 66307), (305, 56524), (610, 28262), (793, 21740), (1087, 15860), (1220, 14131), (1586, 10870), (2174, 7930), (3172, 5435), (3965, 4348)]