20809306501

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1\times {\mathrm{887}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 22894970112

約数和(自身を除く): 2085663611

約数列:

[1, 17, 41, 97, 347, 697, 887, 1649, 3977, 5899, 14227, 15079, 33659, 36367, 67609, 86039, 241859, 307789, 572203, 618239, 1380019, 1462663, 3527599, 5232413, 12619349, 23460323, 29855533, 59969183, 214528933, 507544061, 1224076853, 20809306501]

約数ペア:

[(1, 20809306501), (17, 1224076853), (41, 507544061), (97, 214528933), (347, 59969183), (697, 29855533), (887, 23460323), (1649, 12619349), (3977, 5232413), (5899, 3527599), (14227, 1462663), (15079, 1380019), (33659, 618239), (36367, 572203), (67609, 307789), (86039, 241859)]