20108144

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 48211200

約数和(自身を除く): 28103056

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 59, 68, 112, 118, 119, 136, 179, 236, 238, 272, 358, 413, 472, 476, 716, 826, 944, 952, 1003, 1253, 1432, 1652, 1904, 2006, 2506, 2864, 3043, 3304, 4012, 5012, 6086, 6608, 7021, 8024, 10024, 10561, 12172, 14042, 16048, 20048, 21122, 21301, 24344, 28084, 42244, 42602, 48688, 56168, 73927, 84488, 85204, 112336, 147854, 168976, 170408, 179537, 295708, 340816, 359074, 591416, 718148, 1182832, 1256759, 1436296, 2513518, 2872592, 5027036, 10054072, 20108144]

約数ペア:

[(1, 20108144), (2, 10054072), (4, 5027036), (7, 2872592), (8, 2513518), (14, 1436296), (16, 1256759), (17, 1182832), (28, 718148), (34, 591416), (56, 359074), (59, 340816), (68, 295708), (112, 179537), (118, 170408), (119, 168976), (136, 147854), (179, 112336), (236, 85204), (238, 84488), (272, 73927), (358, 56168), (413, 48688), (472, 42602), (476, 42244), (716, 28084), (826, 24344), (944, 21301), (952, 21122), (1003, 20048), (1253, 16048), (1432, 14042), (1652, 12172), (1904, 10561), (2006, 10024), (2506, 8024), (2864, 7021), (3043, 6608), (3304, 6086), (4012, 5012)]