20129406020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1\times {\mathrm{19763}}^1$

素因数の和:20300

約数の個数: 48

約数和(自身を含む): 42713008128

約数和(自身を除く): 22583602108

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 401, 508, 635, 802, 1270, 1604, 2005, 2540, 4010, 8020, 19763, 39526, 50927, 79052, 98815, 101854, 197630, 203708, 254635, 395260, 509270, 1018540, 2509901, 5019802, 7924963, 10039604, 12549505, 15849926, 25099010, 31699852, 39624815, 50198020, 79249630, 158499260, 1006470301, 2012940602, 4025881204, 5032351505, 10064703010, 20129406020]

約数ペア:

[(1, 20129406020), (2, 10064703010), (4, 5032351505), (5, 4025881204), (10, 2012940602), (20, 1006470301), (127, 158499260), (254, 79249630), (401, 50198020), (508, 39624815), (635, 31699852), (802, 25099010), (1270, 15849926), (1604, 12549505), (2005, 10039604), (2540, 7924963), (4010, 5019802), (8020, 2509901), (19763, 1018540), (39526, 509270), (50927, 395260), (79052, 254635), (98815, 203708), (101854, 197630)]