20451487926

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{1877}}^1$

素因数の和:2269

約数の個数: 64

約数和(自身を含む): 41999892480

約数和(自身を除く): 21548404554

約数列:

[1, 2, 3, 6, 79, 127, 158, 181, 237, 254, 362, 381, 474, 543, 762, 1086, 1877, 3754, 5631, 10033, 11262, 14299, 20066, 22987, 28598, 30099, 42897, 45974, 60198, 68961, 85794, 137922, 148283, 238379, 296566, 339737, 444849, 476758, 679474, 715137, 889698, 1019211, 1430274, 1815973, 2038422, 3631946, 5447919, 10895838, 18831941, 26839223, 37663882, 43146599, 53678446, 56495823, 80517669, 86293198, 112991646, 129439797, 161035338, 258879594, 3408581321, 6817162642, 10225743963, 20451487926]

約数ペア:

[(1, 20451487926), (2, 10225743963), (3, 6817162642), (6, 3408581321), (79, 258879594), (127, 161035338), (158, 129439797), (181, 112991646), (237, 86293198), (254, 80517669), (362, 56495823), (381, 53678446), (474, 43146599), (543, 37663882), (762, 26839223), (1086, 18831941), (1877, 10895838), (3754, 5447919), (5631, 3631946), (10033, 2038422), (11262, 1815973), (14299, 1430274), (20066, 1019211), (22987, 889698), (28598, 715137), (30099, 679474), (42897, 476758), (45974, 444849), (60198, 339737), (68961, 296566), (85794, 238379), (137922, 148283)]