20788824

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 44529576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 29, 34, 42, 51, 56, 58, 68, 84, 87, 102, 116, 119, 136, 168, 174, 203, 204, 232, 238, 251, 348, 357, 406, 408, 476, 493, 502, 609, 696, 714, 753, 812, 952, 986, 1004, 1218, 1428, 1479, 1506, 1624, 1757, 1972, 2008, 2436, 2856, 2958, 3012, 3451, 3514, 3944, 4267, 4872, 5271, 5916, 6024, 6902, 7028, 7279, 8534, 10353, 10542, 11832, 12801, 13804, 14056, 14558, 17068, 20706, 21084, 21837, 25602, 27608, 29116, 29869, 34136, 41412, 42168, 43674, 50953, 51204, 58232, 59738, 82824, 87348, 89607, 101906, 102408, 119476, 123743, 152859, 174696, 179214, 203812, 238952, 247486, 305718, 358428, 371229, 407624, 494972, 611436, 716856, 742458, 866201, 989944, 1222872, 1484916, 1732402, 2598603, 2969832, 3464804, 5197206, 6929608, 10394412, 20788824]

約数ペア:

[(1, 20788824), (2, 10394412), (3, 6929608), (4, 5197206), (6, 3464804), (7, 2969832), (8, 2598603), (12, 1732402), (14, 1484916), (17, 1222872), (21, 989944), (24, 866201), (28, 742458), (29, 716856), (34, 611436), (42, 494972), (51, 407624), (56, 371229), (58, 358428), (68, 305718), (84, 247486), (87, 238952), (102, 203812), (116, 179214), (119, 174696), (136, 152859), (168, 123743), (174, 119476), (203, 102408), (204, 101906), (232, 89607), (238, 87348), (251, 82824), (348, 59738), (357, 58232), (406, 51204), (408, 50953), (476, 43674), (493, 42168), (502, 41412), (609, 34136), (696, 29869), (714, 29116), (753, 27608), (812, 25602), (952, 21837), (986, 21084), (1004, 20706), (1218, 17068), (1428, 14558), (1479, 14056), (1506, 13804), (1624, 12801), (1757, 11832), (1972, 10542), (2008, 10353), (2436, 8534), (2856, 7279), (2958, 7028), (3012, 6902), (3451, 6024), (3514, 5916), (3944, 5271), (4267, 4872)]