20009454952

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1091}}^1\times {\mathrm{120661}}^1$

素因数の和:121777

約数の個数: 32

約数和(自身を含む): 39528871200

約数和(自身を除く): 19519416248

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1091, 2182, 4364, 8728, 20729, 41458, 82916, 120661, 165832, 241322, 482644, 965288, 2292559, 4585118, 9170236, 18340472, 131641151, 263282302, 526564604, 1053129208, 2501181869, 5002363738, 10004727476, 20009454952]

約数ペア:

[(1, 20009454952), (2, 10004727476), (4, 5002363738), (8, 2501181869), (19, 1053129208), (38, 526564604), (76, 263282302), (152, 131641151), (1091, 18340472), (2182, 9170236), (4364, 4585118), (8728, 2292559), (20729, 965288), (41458, 482644), (82916, 241322), (120661, 165832)]