20782884297

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1\times {\mathrm{30671}}^1$

素因数の和:31509

約数の個数: 32

約数和(自身を含む): 32483856384

約数和(自身を除く): 11700972087

約数列:

[1, 3, 7, 21, 41, 123, 287, 787, 861, 2361, 5509, 16527, 30671, 32267, 92013, 96801, 214697, 225869, 644091, 677607, 1257511, 3772533, 8802577, 24138077, 26407731, 72414231, 168966539, 506899617, 989661157, 2968983471, 6927628099, 20782884297]

約数ペア:

[(1, 20782884297), (3, 6927628099), (7, 2968983471), (21, 989661157), (41, 506899617), (123, 168966539), (287, 72414231), (787, 26407731), (861, 24138077), (2361, 8802577), (5509, 3772533), (16527, 1257511), (30671, 677607), (32267, 644091), (92013, 225869), (96801, 214697)]