20110970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7949}}^1$

素因数の和:7990

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 21101830

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 7949, 15898, 39745, 79490, 87439, 174878, 182827, 365654, 437195, 874390, 914135, 1828270, 2011097, 4022194, 10055485, 20110970]

約数ペア:

[(1, 20110970), (2, 10055485), (5, 4022194), (10, 2011097), (11, 1828270), (22, 914135), (23, 874390), (46, 437195), (55, 365654), (110, 182827), (115, 174878), (230, 87439), (253, 79490), (506, 39745), (1265, 15898), (2530, 7949)]