20145272

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3023}}^1$

素因数の和:3060

約数の個数: 48

約数和(自身を含む): 46539360

約数和(自身を除く): 26394088

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 3023, 3332, 6046, 6664, 12092, 21161, 24184, 42322, 51391, 84644, 102782, 148127, 169288, 205564, 296254, 359737, 411128, 592508, 719474, 1185016, 1438948, 2518159, 2877896, 5036318, 10072636, 20145272]

約数ペア:

[(1, 20145272), (2, 10072636), (4, 5036318), (7, 2877896), (8, 2518159), (14, 1438948), (17, 1185016), (28, 719474), (34, 592508), (49, 411128), (56, 359737), (68, 296254), (98, 205564), (119, 169288), (136, 148127), (196, 102782), (238, 84644), (392, 51391), (476, 42322), (833, 24184), (952, 21161), (1666, 12092), (3023, 6664), (3332, 6046)]