29171420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23911}}^1$

素因数の和:23981

約数の個数: 24

約数和(自身を含む): 62266848

約数和(自身を除く): 33095428

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 23911, 47822, 95644, 119555, 239110, 478220, 1458571, 2917142, 5834284, 7292855, 14585710, 29171420]

約数ペア:

[(1, 29171420), (2, 14585710), (4, 7292855), (5, 5834284), (10, 2917142), (20, 1458571), (61, 478220), (122, 239110), (244, 119555), (305, 95644), (610, 47822), (1220, 23911)]