20195881769

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{12569}}^1$

素因数の和:12761

約数の個数: 32

約数和(自身を含む): 24240591360

約数和(自身を除く): 4044709591

約数列:

[1, 7, 53, 61, 71, 371, 427, 497, 3233, 3763, 4331, 12569, 22631, 26341, 30317, 87983, 229543, 666157, 766709, 892399, 1606801, 4663099, 5366963, 6246793, 40635577, 47297147, 54436339, 284449039, 331080029, 381054373, 2885125967, 20195881769]

約数ペア:

[(1, 20195881769), (7, 2885125967), (53, 381054373), (61, 331080029), (71, 284449039), (371, 54436339), (427, 47297147), (497, 40635577), (3233, 6246793), (3763, 5366963), (4331, 4663099), (12569, 1606801), (22631, 892399), (26341, 766709), (30317, 666157), (87983, 229543)]