19956160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 112

約数和(自身を含む): 55595520

約数和(自身を除く): 35639360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 64, 70, 80, 112, 118, 140, 151, 160, 224, 236, 280, 295, 302, 320, 413, 448, 472, 560, 590, 604, 755, 826, 944, 1057, 1120, 1180, 1208, 1510, 1652, 1888, 2065, 2114, 2240, 2360, 2416, 3020, 3304, 3776, 4130, 4228, 4720, 4832, 5285, 6040, 6608, 8260, 8456, 8909, 9440, 9664, 10570, 12080, 13216, 16520, 16912, 17818, 18880, 21140, 24160, 26432, 33040, 33824, 35636, 42280, 44545, 48320, 62363, 66080, 67648, 71272, 84560, 89090, 124726, 132160, 142544, 169120, 178180, 249452, 285088, 311815, 338240, 356360, 498904, 570176, 623630, 712720, 997808, 1247260, 1425440, 1995616, 2494520, 2850880, 3991232, 4989040, 9978080, 19956160]

約数ペア:

[(1, 19956160), (2, 9978080), (4, 4989040), (5, 3991232), (7, 2850880), (8, 2494520), (10, 1995616), (14, 1425440), (16, 1247260), (20, 997808), (28, 712720), (32, 623630), (35, 570176), (40, 498904), (56, 356360), (59, 338240), (64, 311815), (70, 285088), (80, 249452), (112, 178180), (118, 169120), (140, 142544), (151, 132160), (160, 124726), (224, 89090), (236, 84560), (280, 71272), (295, 67648), (302, 66080), (320, 62363), (413, 48320), (448, 44545), (472, 42280), (560, 35636), (590, 33824), (604, 33040), (755, 26432), (826, 24160), (944, 21140), (1057, 18880), (1120, 17818), (1180, 16912), (1208, 16520), (1510, 13216), (1652, 12080), (1888, 10570), (2065, 9664), (2114, 9440), (2240, 8909), (2360, 8456), (2416, 8260), (3020, 6608), (3304, 6040), (3776, 5285), (4130, 4832), (4228, 4720)]