20886880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1097}}^1$

素因数の和:1136

約数の個数: 96

約数和(自身を含む): 59766336

約数和(自身を除く): 38879456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1097, 1120, 1190, 1360, 1904, 2194, 2380, 2720, 3808, 4388, 4760, 5485, 7679, 8776, 9520, 10970, 15358, 17552, 18649, 19040, 21940, 30716, 35104, 37298, 38395, 43880, 61432, 74596, 76790, 87760, 93245, 122864, 130543, 149192, 153580, 175520, 186490, 245728, 261086, 298384, 307160, 372980, 522172, 596768, 614320, 652715, 745960, 1044344, 1228640, 1305430, 1491920, 2088688, 2610860, 2983840, 4177376, 5221720, 10443440, 20886880]

約数ペア:

[(1, 20886880), (2, 10443440), (4, 5221720), (5, 4177376), (7, 2983840), (8, 2610860), (10, 2088688), (14, 1491920), (16, 1305430), (17, 1228640), (20, 1044344), (28, 745960), (32, 652715), (34, 614320), (35, 596768), (40, 522172), (56, 372980), (68, 307160), (70, 298384), (80, 261086), (85, 245728), (112, 186490), (119, 175520), (136, 153580), (140, 149192), (160, 130543), (170, 122864), (224, 93245), (238, 87760), (272, 76790), (280, 74596), (340, 61432), (476, 43880), (544, 38395), (560, 37298), (595, 35104), (680, 30716), (952, 21940), (1097, 19040), (1120, 18649), (1190, 17552), (1360, 15358), (1904, 10970), (2194, 9520), (2380, 8776), (2720, 7679), (3808, 5485), (4388, 4760)]