20976230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8291}}^1$

素因数の和:8332

約数の個数: 32

約数和(自身を含む): 42985728

約数和(自身を除く): 22009498

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8291, 16582, 41455, 82910, 91201, 182402, 190693, 381386, 456005, 912010, 953465, 1906930, 2097623, 4195246, 10488115, 20976230]

約数ペア:

[(1, 20976230), (2, 10488115), (5, 4195246), (10, 2097623), (11, 1906930), (22, 953465), (23, 912010), (46, 456005), (55, 381386), (110, 190693), (115, 182402), (230, 91201), (253, 82910), (506, 41455), (1265, 16582), (2530, 8291)]