202102010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{18191}}^1$

素因数の和:18310

約数の個数: 32

約数和(自身を含む): 400806144

約数和(自身を除く): 198704134

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 11110, 18191, 36382, 90955, 181910, 200101, 400202, 1000505, 1837291, 2001010, 3674582, 9186455, 18372910, 20210201, 40420402, 101051005, 202102010]

約数ペア:

[(1, 202102010), (2, 101051005), (5, 40420402), (10, 20210201), (11, 18372910), (22, 9186455), (55, 3674582), (101, 2001010), (110, 1837291), (202, 1000505), (505, 400202), (1010, 200101), (1111, 181910), (2222, 90955), (5555, 36382), (11110, 18191)]