20653304

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 49248000

約数和(自身を除く): 28594696

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 47, 49, 56, 59, 76, 94, 98, 118, 133, 152, 188, 196, 236, 266, 329, 376, 392, 413, 472, 532, 658, 826, 893, 931, 1064, 1121, 1316, 1652, 1786, 1862, 2242, 2303, 2632, 2773, 2891, 3304, 3572, 3724, 4484, 4606, 5546, 5782, 6251, 7144, 7448, 7847, 8968, 9212, 11092, 11564, 12502, 15694, 18424, 19411, 22184, 23128, 25004, 31388, 38822, 43757, 50008, 52687, 54929, 62776, 77644, 87514, 105374, 109858, 135877, 155288, 175028, 210748, 219716, 271754, 350056, 368809, 421496, 439432, 543508, 737618, 1087016, 1475236, 2581663, 2950472, 5163326, 10326652, 20653304]

約数ペア:

[(1, 20653304), (2, 10326652), (4, 5163326), (7, 2950472), (8, 2581663), (14, 1475236), (19, 1087016), (28, 737618), (38, 543508), (47, 439432), (49, 421496), (56, 368809), (59, 350056), (76, 271754), (94, 219716), (98, 210748), (118, 175028), (133, 155288), (152, 135877), (188, 109858), (196, 105374), (236, 87514), (266, 77644), (329, 62776), (376, 54929), (392, 52687), (413, 50008), (472, 43757), (532, 38822), (658, 31388), (826, 25004), (893, 23128), (931, 22184), (1064, 19411), (1121, 18424), (1316, 15694), (1652, 12502), (1786, 11564), (1862, 11092), (2242, 9212), (2303, 8968), (2632, 7847), (2773, 7448), (2891, 7144), (3304, 6251), (3572, 5782), (3724, 5546), (4484, 4606)]