20563030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 41912640

約数和(自身を除く): 21349610

約数列:

[1, 2, 5, 10, 17, 29, 34, 43, 58, 85, 86, 97, 145, 170, 194, 215, 290, 430, 485, 493, 731, 970, 986, 1247, 1462, 1649, 2465, 2494, 2813, 3298, 3655, 4171, 4930, 5626, 6235, 7310, 8245, 8342, 12470, 14065, 16490, 20855, 21199, 28130, 41710, 42398, 47821, 70907, 95642, 105995, 120959, 141814, 211990, 239105, 241918, 354535, 478210, 604795, 709070, 1209590, 2056303, 4112606, 10281515, 20563030]

約数ペア:

[(1, 20563030), (2, 10281515), (5, 4112606), (10, 2056303), (17, 1209590), (29, 709070), (34, 604795), (43, 478210), (58, 354535), (85, 241918), (86, 239105), (97, 211990), (145, 141814), (170, 120959), (194, 105995), (215, 95642), (290, 70907), (430, 47821), (485, 42398), (493, 41710), (731, 28130), (970, 21199), (986, 20855), (1247, 16490), (1462, 14065), (1649, 12470), (2465, 8342), (2494, 8245), (2813, 7310), (3298, 6235), (3655, 5626), (4171, 4930)]