20738870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2437}}^1$

素因数の和:2504

約数の個数: 32

約数和(自身を含む): 40022208

約数和(自身を除く): 19283338

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 2437, 4255, 4874, 8510, 12185, 24370, 56051, 90169, 112102, 180338, 280255, 450845, 560510, 901690, 2073887, 4147774, 10369435, 20738870]

約数ペア:

[(1, 20738870), (2, 10369435), (5, 4147774), (10, 2073887), (23, 901690), (37, 560510), (46, 450845), (74, 280255), (115, 180338), (185, 112102), (230, 90169), (370, 56051), (851, 24370), (1702, 12185), (2437, 8510), (4255, 4874)]