20469585

素因数分解:

$3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{2713}}^1$

素因数の和:3224

約数の個数: 16

約数和(自身を含む): 32828544

約数和(自身を除く): 12358959

約数列:

[1, 3, 5, 15, 503, 1509, 2515, 2713, 7545, 8139, 13565, 40695, 1364639, 4093917, 6823195, 20469585]

約数ペア:

[(1, 20469585), (3, 6823195), (5, 4093917), (15, 1364639), (503, 40695), (1509, 13565), (2515, 8139), (2713, 7545)]