20187520380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{43319}}^1$

素因数の和:44200

約数の個数: 96

約数和(自身を含む): 62879846400

約数和(自身を除く): 42692326020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 863, 1726, 2589, 3452, 4315, 5178, 7767, 8630, 10356, 12945, 15534, 17260, 23301, 25890, 31068, 38835, 43319, 46602, 51780, 77670, 86638, 93204, 116505, 129957, 155340, 173276, 216595, 233010, 259914, 389871, 433190, 466020, 519828, 649785, 779742, 866380, 1169613, 1299570, 1559484, 1949355, 2339226, 2599140, 3898710, 4678452, 5848065, 7797420, 11696130, 23392260, 37384297, 74768594, 112152891, 149537188, 186921485, 224305782, 336458673, 373842970, 448611564, 560764455, 672917346, 747685940, 1009376019, 1121528910, 1345834692, 1682293365, 2018752038, 2243057820, 3364586730, 4037504076, 5046880095, 6729173460, 10093760190, 20187520380]

約数ペア:

[(1, 20187520380), (2, 10093760190), (3, 6729173460), (4, 5046880095), (5, 4037504076), (6, 3364586730), (9, 2243057820), (10, 2018752038), (12, 1682293365), (15, 1345834692), (18, 1121528910), (20, 1009376019), (27, 747685940), (30, 672917346), (36, 560764455), (45, 448611564), (54, 373842970), (60, 336458673), (90, 224305782), (108, 186921485), (135, 149537188), (180, 112152891), (270, 74768594), (540, 37384297), (863, 23392260), (1726, 11696130), (2589, 7797420), (3452, 5848065), (4315, 4678452), (5178, 3898710), (7767, 2599140), (8630, 2339226), (10356, 1949355), (12945, 1559484), (15534, 1299570), (17260, 1169613), (23301, 866380), (25890, 779742), (31068, 649785), (38835, 519828), (43319, 466020), (46602, 433190), (51780, 389871), (77670, 259914), (86638, 233010), (93204, 216595), (116505, 173276), (129957, 155340)]