20193976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 43999200

約数和(自身を除く): 23805224

約数列:

[1, 2, 4, 8, 11, 22, 29, 41, 44, 58, 82, 88, 116, 164, 193, 232, 319, 328, 386, 451, 638, 772, 902, 1189, 1276, 1544, 1804, 2123, 2378, 2552, 3608, 4246, 4756, 5597, 7913, 8492, 9512, 11194, 13079, 15826, 16984, 22388, 26158, 31652, 44776, 52316, 61567, 63304, 87043, 104632, 123134, 174086, 229477, 246268, 348172, 458954, 492536, 696344, 917908, 1835816, 2524247, 5048494, 10096988, 20193976]

約数ペア:

[(1, 20193976), (2, 10096988), (4, 5048494), (8, 2524247), (11, 1835816), (22, 917908), (29, 696344), (41, 492536), (44, 458954), (58, 348172), (82, 246268), (88, 229477), (116, 174086), (164, 123134), (193, 104632), (232, 87043), (319, 63304), (328, 61567), (386, 52316), (451, 44776), (638, 31652), (772, 26158), (902, 22388), (1189, 16984), (1276, 15826), (1544, 13079), (1804, 11194), (2123, 9512), (2378, 8492), (2552, 7913), (3608, 5597), (4246, 4756)]