20948640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2297}}^1$

素因数の和:2334

約数の個数: 96

約数和(自身を含む): 69491520

約数和(自身を除く): 48542880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 2297, 3040, 4560, 4594, 6891, 9120, 9188, 11485, 13782, 18376, 22970, 27564, 34455, 36752, 43643, 45940, 55128, 68910, 73504, 87286, 91880, 110256, 130929, 137820, 174572, 183760, 218215, 220512, 261858, 275640, 349144, 367520, 436430, 523716, 551280, 654645, 698288, 872860, 1047432, 1102560, 1309290, 1396576, 1745720, 2094864, 2618580, 3491440, 4189728, 5237160, 6982880, 10474320, 20948640]

約数ペア:

[(1, 20948640), (2, 10474320), (3, 6982880), (4, 5237160), (5, 4189728), (6, 3491440), (8, 2618580), (10, 2094864), (12, 1745720), (15, 1396576), (16, 1309290), (19, 1102560), (20, 1047432), (24, 872860), (30, 698288), (32, 654645), (38, 551280), (40, 523716), (48, 436430), (57, 367520), (60, 349144), (76, 275640), (80, 261858), (95, 220512), (96, 218215), (114, 183760), (120, 174572), (152, 137820), (160, 130929), (190, 110256), (228, 91880), (240, 87286), (285, 73504), (304, 68910), (380, 55128), (456, 45940), (480, 43643), (570, 36752), (608, 34455), (760, 27564), (912, 22970), (1140, 18376), (1520, 13782), (1824, 11485), (2280, 9188), (2297, 9120), (3040, 6891), (4560, 4594)]