20664588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 39815412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 29, 34, 42, 51, 58, 68, 84, 87, 102, 116, 119, 174, 203, 204, 238, 348, 357, 406, 476, 493, 499, 609, 714, 812, 986, 998, 1218, 1428, 1479, 1497, 1972, 1996, 2436, 2958, 2994, 3451, 3493, 5916, 5988, 6902, 6986, 8483, 10353, 10479, 13804, 13972, 14471, 16966, 20706, 20958, 25449, 28942, 33932, 41412, 41916, 43413, 50898, 57884, 59381, 86826, 101297, 101796, 118762, 173652, 178143, 202594, 237524, 246007, 303891, 356286, 405188, 492014, 607782, 712572, 738021, 984028, 1215564, 1476042, 1722049, 2952084, 3444098, 5166147, 6888196, 10332294, 20664588]

約数ペア:

[(1, 20664588), (2, 10332294), (3, 6888196), (4, 5166147), (6, 3444098), (7, 2952084), (12, 1722049), (14, 1476042), (17, 1215564), (21, 984028), (28, 738021), (29, 712572), (34, 607782), (42, 492014), (51, 405188), (58, 356286), (68, 303891), (84, 246007), (87, 237524), (102, 202594), (116, 178143), (119, 173652), (174, 118762), (203, 101796), (204, 101297), (238, 86826), (348, 59381), (357, 57884), (406, 50898), (476, 43413), (493, 41916), (499, 41412), (609, 33932), (714, 28942), (812, 25449), (986, 20958), (998, 20706), (1218, 16966), (1428, 14471), (1479, 13972), (1497, 13804), (1972, 10479), (1996, 10353), (2436, 8483), (2958, 6986), (2994, 6902), (3451, 5988), (3493, 5916)]