20905752

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 62996400

約数和(自身を除く): 42090648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 49, 56, 58, 84, 87, 98, 116, 147, 168, 174, 196, 203, 232, 294, 348, 392, 406, 588, 609, 613, 696, 812, 1176, 1218, 1226, 1421, 1624, 1839, 2436, 2452, 2842, 3678, 4263, 4291, 4872, 4904, 5684, 7356, 8526, 8582, 11368, 12873, 14712, 17052, 17164, 17777, 25746, 30037, 34104, 34328, 35554, 51492, 53331, 60074, 71108, 90111, 102984, 106662, 120148, 124439, 142216, 180222, 213324, 240296, 248878, 360444, 373317, 426648, 497756, 720888, 746634, 871073, 995512, 1493268, 1742146, 2613219, 2986536, 3484292, 5226438, 6968584, 10452876, 20905752]

約数ペア:

[(1, 20905752), (2, 10452876), (3, 6968584), (4, 5226438), (6, 3484292), (7, 2986536), (8, 2613219), (12, 1742146), (14, 1493268), (21, 995512), (24, 871073), (28, 746634), (29, 720888), (42, 497756), (49, 426648), (56, 373317), (58, 360444), (84, 248878), (87, 240296), (98, 213324), (116, 180222), (147, 142216), (168, 124439), (174, 120148), (196, 106662), (203, 102984), (232, 90111), (294, 71108), (348, 60074), (392, 53331), (406, 51492), (588, 35554), (609, 34328), (613, 34104), (696, 30037), (812, 25746), (1176, 17777), (1218, 17164), (1226, 17052), (1421, 14712), (1624, 12873), (1839, 11368), (2436, 8582), (2452, 8526), (2842, 7356), (3678, 5684), (4263, 4904), (4291, 4872)]