20130550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2153}}^1$

素因数の和:2193

約数の個数: 48

約数和(自身を含む): 43269552

約数和(自身を除く): 23139002

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 170, 187, 275, 374, 425, 550, 850, 935, 1870, 2153, 4306, 4675, 9350, 10765, 21530, 23683, 36601, 47366, 53825, 73202, 107650, 118415, 183005, 236830, 366010, 402611, 592075, 805222, 915025, 1184150, 1830050, 2013055, 4026110, 10065275, 20130550]

約数ペア:

[(1, 20130550), (2, 10065275), (5, 4026110), (10, 2013055), (11, 1830050), (17, 1184150), (22, 915025), (25, 805222), (34, 592075), (50, 402611), (55, 366010), (85, 236830), (110, 183005), (170, 118415), (187, 107650), (275, 73202), (374, 53825), (425, 47366), (550, 36601), (850, 23683), (935, 21530), (1870, 10765), (2153, 9350), (4306, 4675)]