20797872

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 56663040

約数和(自身を除く): 35865168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 67, 87, 116, 134, 174, 201, 223, 232, 268, 348, 402, 446, 464, 536, 669, 696, 804, 892, 1072, 1338, 1392, 1608, 1784, 1943, 2676, 3216, 3568, 3886, 5352, 5829, 6467, 7772, 10704, 11658, 12934, 14941, 15544, 19401, 23316, 25868, 29882, 31088, 38802, 44823, 46632, 51736, 59764, 77604, 89646, 93264, 103472, 119528, 155208, 179292, 239056, 310416, 358584, 433289, 717168, 866578, 1299867, 1733156, 2599734, 3466312, 5199468, 6932624, 10398936, 20797872]

約数ペア:

[(1, 20797872), (2, 10398936), (3, 6932624), (4, 5199468), (6, 3466312), (8, 2599734), (12, 1733156), (16, 1299867), (24, 866578), (29, 717168), (48, 433289), (58, 358584), (67, 310416), (87, 239056), (116, 179292), (134, 155208), (174, 119528), (201, 103472), (223, 93264), (232, 89646), (268, 77604), (348, 59764), (402, 51736), (446, 46632), (464, 44823), (536, 38802), (669, 31088), (696, 29882), (804, 25868), (892, 23316), (1072, 19401), (1338, 15544), (1392, 14941), (1608, 12934), (1784, 11658), (1943, 10704), (2676, 7772), (3216, 6467), (3568, 5829), (3886, 5352)]