20121701170

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2153}}^1\times {\mathrm{10501}}^1$

素因数の和:12750

約数の個数: 32

約数和(自身を含む): 36646518960

約数和(自身を除く): 16524817790

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2153, 4306, 10501, 10765, 21002, 21530, 52505, 105010, 191617, 383234, 934589, 958085, 1869178, 1916170, 4672945, 9345890, 22608653, 45217306, 113043265, 226086530, 2012170117, 4024340234, 10060850585, 20121701170]

約数ペア:

[(1, 20121701170), (2, 10060850585), (5, 4024340234), (10, 2012170117), (89, 226086530), (178, 113043265), (445, 45217306), (890, 22608653), (2153, 9345890), (4306, 4672945), (10501, 1916170), (10765, 1869178), (21002, 958085), (21530, 934589), (52505, 383234), (105010, 191617)]