20356600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 54460800

約数和(自身を除く): 34104200

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 152, 190, 200, 209, 220, 275, 380, 418, 440, 475, 487, 550, 760, 836, 950, 974, 1045, 1100, 1672, 1900, 1948, 2090, 2200, 2435, 3800, 3896, 4180, 4870, 5225, 5357, 8360, 9253, 9740, 10450, 10714, 12175, 18506, 19480, 20900, 21428, 24350, 26785, 37012, 41800, 42856, 46265, 48700, 53570, 74024, 92530, 97400, 101783, 107140, 133925, 185060, 203566, 214280, 231325, 267850, 370120, 407132, 462650, 508915, 535700, 814264, 925300, 1017830, 1071400, 1850600, 2035660, 2544575, 4071320, 5089150, 10178300, 20356600]

約数ペア:

[(1, 20356600), (2, 10178300), (4, 5089150), (5, 4071320), (8, 2544575), (10, 2035660), (11, 1850600), (19, 1071400), (20, 1017830), (22, 925300), (25, 814264), (38, 535700), (40, 508915), (44, 462650), (50, 407132), (55, 370120), (76, 267850), (88, 231325), (95, 214280), (100, 203566), (110, 185060), (152, 133925), (190, 107140), (200, 101783), (209, 97400), (220, 92530), (275, 74024), (380, 53570), (418, 48700), (440, 46265), (475, 42856), (487, 41800), (550, 37012), (760, 26785), (836, 24350), (950, 21428), (974, 20900), (1045, 19480), (1100, 18506), (1672, 12175), (1900, 10714), (1948, 10450), (2090, 9740), (2200, 9253), (2435, 8360), (3800, 5357), (3896, 5225), (4180, 4870)]