20228821815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16127}}^1\times {\mathrm{4919}}^1$

素因数の和:21071

約数の個数: 32

約数和(自身を含む): 34279096320

約数和(自身を除く): 14050274505

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 4919, 14757, 16127, 24595, 48381, 73785, 80635, 83623, 241905, 250869, 274159, 418115, 822477, 1254345, 1370795, 4112385, 79328713, 237986139, 396643565, 1189930695, 1348588121, 4045764363, 6742940605, 20228821815]

約数ペア:

[(1, 20228821815), (3, 6742940605), (5, 4045764363), (15, 1348588121), (17, 1189930695), (51, 396643565), (85, 237986139), (255, 79328713), (4919, 4112385), (14757, 1370795), (16127, 1254345), (24595, 822477), (48381, 418115), (73785, 274159), (80635, 250869), (83623, 241905)]