20148768

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1686

約数の個数: 72

約数和(自身を含む): 58666608

約数和(自身を除く): 38517840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 1627, 2064, 3096, 3254, 4128, 4881, 6192, 6508, 9762, 12384, 13016, 14643, 19524, 26032, 29286, 39048, 52064, 58572, 69961, 78096, 117144, 139922, 156192, 209883, 234288, 279844, 419766, 468576, 559688, 629649, 839532, 1119376, 1259298, 1679064, 2238752, 2518596, 3358128, 5037192, 6716256, 10074384, 20148768]

約数ペア:

[(1, 20148768), (2, 10074384), (3, 6716256), (4, 5037192), (6, 3358128), (8, 2518596), (9, 2238752), (12, 1679064), (16, 1259298), (18, 1119376), (24, 839532), (32, 629649), (36, 559688), (43, 468576), (48, 419766), (72, 279844), (86, 234288), (96, 209883), (129, 156192), (144, 139922), (172, 117144), (258, 78096), (288, 69961), (344, 58572), (387, 52064), (516, 39048), (688, 29286), (774, 26032), (1032, 19524), (1376, 14643), (1548, 13016), (1627, 12384), (2064, 9762), (3096, 6508), (3254, 6192), (4128, 4881)]