20568288

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16481}}^1$

素因数の和:16507

約数の個数: 48

約数和(自身を含む): 58148496

約数和(自身を除く): 37580208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16481, 32962, 49443, 65924, 98886, 131848, 197772, 214253, 263696, 395544, 428506, 527392, 642759, 791088, 857012, 1285518, 1582176, 1714024, 2571036, 3428048, 5142072, 6856096, 10284144, 20568288]

約数ペア:

[(1, 20568288), (2, 10284144), (3, 6856096), (4, 5142072), (6, 3428048), (8, 2571036), (12, 1714024), (13, 1582176), (16, 1285518), (24, 857012), (26, 791088), (32, 642759), (39, 527392), (48, 428506), (52, 395544), (78, 263696), (96, 214253), (104, 197772), (156, 131848), (208, 98886), (312, 65924), (416, 49443), (624, 32962), (1248, 16481)]