20937768

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 55080000

約数和(自身を除く): 34142232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 67, 87, 116, 134, 174, 201, 232, 268, 348, 402, 449, 536, 696, 804, 898, 1347, 1608, 1796, 1943, 2694, 3592, 3886, 5388, 5829, 7772, 10776, 11658, 13021, 15544, 23316, 26042, 30083, 39063, 46632, 52084, 60166, 78126, 90249, 104168, 120332, 156252, 180498, 240664, 312504, 360996, 721992, 872407, 1744814, 2617221, 3489628, 5234442, 6979256, 10468884, 20937768]

約数ペア:

[(1, 20937768), (2, 10468884), (3, 6979256), (4, 5234442), (6, 3489628), (8, 2617221), (12, 1744814), (24, 872407), (29, 721992), (58, 360996), (67, 312504), (87, 240664), (116, 180498), (134, 156252), (174, 120332), (201, 104168), (232, 90249), (268, 78126), (348, 60166), (402, 52084), (449, 46632), (536, 39063), (696, 30083), (804, 26042), (898, 23316), (1347, 15544), (1608, 13021), (1796, 11658), (1943, 10776), (2694, 7772), (3592, 5829), (3886, 5388)]