20090600

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 52228800

約数和(自身を除く): 32138200

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 85, 95, 100, 136, 152, 170, 190, 200, 311, 323, 340, 380, 425, 475, 622, 646, 680, 760, 850, 950, 1244, 1292, 1555, 1615, 1700, 1900, 2488, 2584, 3110, 3230, 3400, 3800, 5287, 5909, 6220, 6460, 7775, 8075, 10574, 11818, 12440, 12920, 15550, 16150, 21148, 23636, 26435, 29545, 31100, 32300, 42296, 47272, 52870, 59090, 62200, 64600, 100453, 105740, 118180, 132175, 147725, 200906, 211480, 236360, 264350, 295450, 401812, 502265, 528700, 590900, 803624, 1004530, 1057400, 1181800, 2009060, 2511325, 4018120, 5022650, 10045300, 20090600]

約数ペア:

[(1, 20090600), (2, 10045300), (4, 5022650), (5, 4018120), (8, 2511325), (10, 2009060), (17, 1181800), (19, 1057400), (20, 1004530), (25, 803624), (34, 590900), (38, 528700), (40, 502265), (50, 401812), (68, 295450), (76, 264350), (85, 236360), (95, 211480), (100, 200906), (136, 147725), (152, 132175), (170, 118180), (190, 105740), (200, 100453), (311, 64600), (323, 62200), (340, 59090), (380, 52870), (425, 47272), (475, 42296), (622, 32300), (646, 31100), (680, 29545), (760, 26435), (850, 23636), (950, 21148), (1244, 16150), (1292, 15550), (1555, 12920), (1615, 12440), (1700, 11818), (1900, 10574), (2488, 8075), (2584, 7775), (3110, 6460), (3230, 6220), (3400, 5909), (3800, 5287)]