19962320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:892

約数の個数: 80

約数和(自身を含む): 54341760

約数和(自身を除く): 34379440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 829, 860, 1204, 1505, 1658, 1720, 2408, 3010, 3316, 3440, 4145, 4816, 5803, 6020, 6632, 8290, 11606, 12040, 13264, 16580, 23212, 24080, 29015, 33160, 35647, 46424, 58030, 66320, 71294, 92848, 116060, 142588, 178235, 232120, 249529, 285176, 356470, 464240, 499058, 570352, 712940, 998116, 1247645, 1425880, 1996232, 2495290, 2851760, 3992464, 4990580, 9981160, 19962320]

約数ペア:

[(1, 19962320), (2, 9981160), (4, 4990580), (5, 3992464), (7, 2851760), (8, 2495290), (10, 1996232), (14, 1425880), (16, 1247645), (20, 998116), (28, 712940), (35, 570352), (40, 499058), (43, 464240), (56, 356470), (70, 285176), (80, 249529), (86, 232120), (112, 178235), (140, 142588), (172, 116060), (215, 92848), (280, 71294), (301, 66320), (344, 58030), (430, 46424), (560, 35647), (602, 33160), (688, 29015), (829, 24080), (860, 23212), (1204, 16580), (1505, 13264), (1658, 12040), (1720, 11606), (2408, 8290), (3010, 6632), (3316, 6020), (3440, 5803), (4145, 4816)]