20125290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15601}}^1$

素因数の和:15654

約数の個数: 32

約数和(自身を含む): 49427136

約数和(自身を除く): 29301846

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15601, 31202, 46803, 78005, 93606, 156010, 234015, 468030, 670843, 1341686, 2012529, 3354215, 4025058, 6708430, 10062645, 20125290]

約数ペア:

[(1, 20125290), (2, 10062645), (3, 6708430), (5, 4025058), (6, 3354215), (10, 2012529), (15, 1341686), (30, 670843), (43, 468030), (86, 234015), (129, 156010), (215, 93606), (258, 78005), (430, 46803), (645, 31202), (1290, 15601)]