20514585

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 43666560

約数和(自身を除く): 23151975

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 49, 57, 65, 91, 95, 105, 113, 133, 147, 195, 245, 247, 273, 285, 339, 399, 455, 565, 637, 665, 735, 741, 791, 931, 1235, 1365, 1469, 1695, 1729, 1911, 1995, 2147, 2373, 2793, 3185, 3705, 3955, 4407, 4655, 5187, 5537, 6441, 7345, 8645, 9555, 10283, 10735, 11865, 12103, 13965, 15029, 16611, 22035, 25935, 27685, 27911, 30849, 32205, 36309, 45087, 51415, 60515, 71981, 75145, 83055, 83733, 105203, 139555, 154245, 181545, 195377, 215943, 225435, 315609, 359905, 418665, 526015, 586131, 976885, 1079715, 1367639, 1578045, 2930655, 4102917, 6838195, 20514585]

約数ペア:

[(1, 20514585), (3, 6838195), (5, 4102917), (7, 2930655), (13, 1578045), (15, 1367639), (19, 1079715), (21, 976885), (35, 586131), (39, 526015), (49, 418665), (57, 359905), (65, 315609), (91, 225435), (95, 215943), (105, 195377), (113, 181545), (133, 154245), (147, 139555), (195, 105203), (245, 83733), (247, 83055), (273, 75145), (285, 71981), (339, 60515), (399, 51415), (455, 45087), (565, 36309), (637, 32205), (665, 30849), (735, 27911), (741, 27685), (791, 25935), (931, 22035), (1235, 16611), (1365, 15029), (1469, 13965), (1695, 12103), (1729, 11865), (1911, 10735), (1995, 10283), (2147, 9555), (2373, 8645), (2793, 7345), (3185, 6441), (3705, 5537), (3955, 5187), (4407, 4655)]