20937730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1453}}^1$

素因数の和:1602

約数の個数: 32

約数和(自身を含む): 41456448

約数和(自身を除く): 20518718

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 1453, 2882, 2906, 7205, 7265, 14410, 14530, 15983, 31966, 79915, 159830, 190343, 380686, 951715, 1903430, 2093773, 4187546, 10468865, 20937730]

約数ペア:

[(1, 20937730), (2, 10468865), (5, 4187546), (10, 2093773), (11, 1903430), (22, 951715), (55, 380686), (110, 190343), (131, 159830), (262, 79915), (655, 31966), (1310, 15983), (1441, 14530), (1453, 14410), (2882, 7265), (2906, 7205)]