20203216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{601}}^1$

素因数の和:811

約数の個数: 40

約数和(自身を含む): 42997248

約数和(自身を除く): 22794032

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 191, 382, 601, 764, 1202, 1528, 2101, 2404, 3056, 4202, 4808, 6611, 8404, 9616, 13222, 16808, 26444, 33616, 52888, 105776, 114791, 229582, 459164, 918328, 1262701, 1836656, 2525402, 5050804, 10101608, 20203216]

約数ペア:

[(1, 20203216), (2, 10101608), (4, 5050804), (8, 2525402), (11, 1836656), (16, 1262701), (22, 918328), (44, 459164), (88, 229582), (176, 114791), (191, 105776), (382, 52888), (601, 33616), (764, 26444), (1202, 16808), (1528, 13222), (2101, 9616), (2404, 8404), (3056, 6611), (4202, 4808)]