20248480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:302

約数の個数: 96

約数和(自身を含む): 55520640

約数和(自身を除く): 35272160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 101, 112, 140, 160, 179, 202, 224, 280, 358, 404, 505, 560, 707, 716, 808, 895, 1010, 1120, 1253, 1414, 1432, 1616, 1790, 2020, 2506, 2828, 2864, 3232, 3535, 3580, 4040, 5012, 5656, 5728, 6265, 7070, 7160, 8080, 10024, 11312, 12530, 14140, 14320, 16160, 18079, 20048, 22624, 25060, 28280, 28640, 36158, 40096, 50120, 56560, 72316, 90395, 100240, 113120, 126553, 144632, 180790, 200480, 253106, 289264, 361580, 506212, 578528, 632765, 723160, 1012424, 1265530, 1446320, 2024848, 2531060, 2892640, 4049696, 5062120, 10124240, 20248480]

約数ペア:

[(1, 20248480), (2, 10124240), (4, 5062120), (5, 4049696), (7, 2892640), (8, 2531060), (10, 2024848), (14, 1446320), (16, 1265530), (20, 1012424), (28, 723160), (32, 632765), (35, 578528), (40, 506212), (56, 361580), (70, 289264), (80, 253106), (101, 200480), (112, 180790), (140, 144632), (160, 126553), (179, 113120), (202, 100240), (224, 90395), (280, 72316), (358, 56560), (404, 50120), (505, 40096), (560, 36158), (707, 28640), (716, 28280), (808, 25060), (895, 22624), (1010, 20048), (1120, 18079), (1253, 16160), (1414, 14320), (1432, 14140), (1616, 12530), (1790, 11312), (2020, 10024), (2506, 8080), (2828, 7160), (2864, 7070), (3232, 6265), (3535, 5728), (3580, 5656), (4040, 5012)]