20242580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2053}}^1$

素因数の和:2108

約数の個数: 48

約数和(自身を含む): 46584720

約数和(自身を除く): 26342140

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2053, 2465, 4106, 4930, 8212, 9860, 10265, 20530, 34901, 41060, 59537, 69802, 119074, 139604, 174505, 238148, 297685, 349010, 595370, 698020, 1012129, 1190740, 2024258, 4048516, 5060645, 10121290, 20242580]

約数ペア:

[(1, 20242580), (2, 10121290), (4, 5060645), (5, 4048516), (10, 2024258), (17, 1190740), (20, 1012129), (29, 698020), (34, 595370), (58, 349010), (68, 297685), (85, 238148), (116, 174505), (145, 139604), (170, 119074), (290, 69802), (340, 59537), (493, 41060), (580, 34901), (986, 20530), (1972, 10265), (2053, 9860), (2465, 8212), (4106, 4930)]