20905056

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2503}}^1$

素因数の和:2548

約数の個数: 72

約数和(自身を含む): 61523280

約数和(自身を除く): 40618224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2503, 2784, 4176, 5006, 7509, 8352, 10012, 15018, 20024, 22527, 30036, 40048, 45054, 60072, 72587, 80096, 90108, 120144, 145174, 180216, 217761, 240288, 290348, 360432, 435522, 580696, 653283, 720864, 871044, 1161392, 1306566, 1742088, 2322784, 2613132, 3484176, 5226264, 6968352, 10452528, 20905056]

約数ペア:

[(1, 20905056), (2, 10452528), (3, 6968352), (4, 5226264), (6, 3484176), (8, 2613132), (9, 2322784), (12, 1742088), (16, 1306566), (18, 1161392), (24, 871044), (29, 720864), (32, 653283), (36, 580696), (48, 435522), (58, 360432), (72, 290348), (87, 240288), (96, 217761), (116, 180216), (144, 145174), (174, 120144), (232, 90108), (261, 80096), (288, 72587), (348, 60072), (464, 45054), (522, 40048), (696, 30036), (928, 22527), (1044, 20024), (1392, 15018), (2088, 10012), (2503, 8352), (2784, 7509), (4176, 5006)]