20754188

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 48620544

約数和(自身を除く): 27866356

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 37, 46, 52, 67, 74, 91, 92, 134, 148, 161, 182, 259, 268, 299, 322, 364, 469, 481, 518, 598, 644, 851, 871, 938, 962, 1036, 1196, 1541, 1702, 1742, 1876, 1924, 2093, 2479, 3082, 3367, 3404, 3484, 4186, 4958, 5957, 6097, 6164, 6734, 8372, 9916, 10787, 11063, 11914, 12194, 13468, 17353, 20033, 21574, 22126, 23828, 24388, 32227, 34706, 40066, 43148, 44252, 57017, 64454, 69412, 77441, 80132, 114034, 128908, 140231, 154882, 225589, 228068, 280462, 309764, 399119, 451178, 560924, 741221, 798238, 902356, 1482442, 1596476, 2964884, 5188547, 10377094, 20754188]

約数ペア:

[(1, 20754188), (2, 10377094), (4, 5188547), (7, 2964884), (13, 1596476), (14, 1482442), (23, 902356), (26, 798238), (28, 741221), (37, 560924), (46, 451178), (52, 399119), (67, 309764), (74, 280462), (91, 228068), (92, 225589), (134, 154882), (148, 140231), (161, 128908), (182, 114034), (259, 80132), (268, 77441), (299, 69412), (322, 64454), (364, 57017), (469, 44252), (481, 43148), (518, 40066), (598, 34706), (644, 32227), (851, 24388), (871, 23828), (938, 22126), (962, 21574), (1036, 20033), (1196, 17353), (1541, 13468), (1702, 12194), (1742, 11914), (1876, 11063), (1924, 10787), (2093, 9916), (2479, 8372), (3082, 6734), (3367, 6164), (3404, 6097), (3484, 5957), (4186, 4958)]