20184521805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{1657}}^1\times {\mathrm{38671}}^1$

素因数の和:40346

約数の個数: 48

約数和(自身を含む): 40009741824

約数和(自身を除く): 19825220019

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 1657, 4971, 8285, 11599, 14913, 24855, 34797, 38671, 57995, 74565, 104391, 116013, 173985, 193355, 270697, 348039, 521955, 580065, 812091, 1353485, 1740195, 2436273, 4060455, 12181365, 64077847, 192233541, 320389235, 448544929, 576700623, 961167705, 1345634787, 2242724645, 2883503115, 4036904361, 6728173935, 20184521805]

約数ペア:

[(1, 20184521805), (3, 6728173935), (5, 4036904361), (7, 2883503115), (9, 2242724645), (15, 1345634787), (21, 961167705), (35, 576700623), (45, 448544929), (63, 320389235), (105, 192233541), (315, 64077847), (1657, 12181365), (4971, 4060455), (8285, 2436273), (11599, 1740195), (14913, 1353485), (24855, 812091), (34797, 580065), (38671, 521955), (57995, 348039), (74565, 270697), (104391, 193355), (116013, 173985)]