20838888

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 65145600

約数和(自身を除く): 44306712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 173, 239, 252, 346, 478, 504, 519, 692, 717, 956, 1038, 1211, 1384, 1434, 1557, 1673, 1912, 2076, 2151, 2422, 2868, 3114, 3346, 3633, 4152, 4302, 4844, 5019, 5736, 6228, 6692, 7266, 8604, 9688, 10038, 10899, 12456, 13384, 14532, 15057, 17208, 20076, 21798, 29064, 30114, 40152, 41347, 43596, 60228, 82694, 87192, 120456, 124041, 165388, 248082, 289429, 330776, 372123, 496164, 578858, 744246, 868287, 992328, 1157716, 1488492, 1736574, 2315432, 2604861, 2976984, 3473148, 5209722, 6946296, 10419444, 20838888]

約数ペア:

[(1, 20838888), (2, 10419444), (3, 6946296), (4, 5209722), (6, 3473148), (7, 2976984), (8, 2604861), (9, 2315432), (12, 1736574), (14, 1488492), (18, 1157716), (21, 992328), (24, 868287), (28, 744246), (36, 578858), (42, 496164), (56, 372123), (63, 330776), (72, 289429), (84, 248082), (126, 165388), (168, 124041), (173, 120456), (239, 87192), (252, 82694), (346, 60228), (478, 43596), (504, 41347), (519, 40152), (692, 30114), (717, 29064), (956, 21798), (1038, 20076), (1211, 17208), (1384, 15057), (1434, 14532), (1557, 13384), (1673, 12456), (1912, 10899), (2076, 10038), (2151, 9688), (2422, 8604), (2868, 7266), (3114, 6692), (3346, 6228), (3633, 5736), (4152, 5019), (4302, 4844)]