20134120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 49669200

約数和(自身を除く): 29535080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1021, 1160, 1972, 2042, 2465, 3944, 4084, 4930, 5105, 8168, 9860, 10210, 17357, 19720, 20420, 29609, 34714, 40840, 59218, 69428, 86785, 118436, 138856, 148045, 173570, 236872, 296090, 347140, 503353, 592180, 694280, 1006706, 1184360, 2013412, 2516765, 4026824, 5033530, 10067060, 20134120]

約数ペア:

[(1, 20134120), (2, 10067060), (4, 5033530), (5, 4026824), (8, 2516765), (10, 2013412), (17, 1184360), (20, 1006706), (29, 694280), (34, 592180), (40, 503353), (58, 347140), (68, 296090), (85, 236872), (116, 173570), (136, 148045), (145, 138856), (170, 118436), (232, 86785), (290, 69428), (340, 59218), (493, 40840), (580, 34714), (680, 29609), (986, 20420), (1021, 19720), (1160, 17357), (1972, 10210), (2042, 9860), (2465, 8168), (3944, 5105), (4084, 4930)]