202220816

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{20287}}^1$

素因数の和:20391

約数の個数: 40

約数和(自身を含む): 452828160

約数和(自身を除く): 250607344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 20287, 40574, 81148, 142009, 162296, 284018, 324592, 568036, 1136072, 1805543, 2272144, 3611086, 7222172, 12638801, 14444344, 25277602, 28888688, 50555204, 101110408, 202220816]

約数ペア:

[(1, 202220816), (2, 101110408), (4, 50555204), (7, 28888688), (8, 25277602), (14, 14444344), (16, 12638801), (28, 7222172), (56, 3611086), (89, 2272144), (112, 1805543), (178, 1136072), (356, 568036), (623, 324592), (712, 284018), (1246, 162296), (1424, 142009), (2492, 81148), (4984, 40574), (9968, 20287)]