20859750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 57627648

約数和(自身を除く): 36767898

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 73, 75, 90, 125, 127, 146, 150, 219, 225, 250, 254, 365, 375, 381, 438, 450, 635, 657, 730, 750, 762, 1095, 1125, 1143, 1270, 1314, 1825, 1905, 2190, 2250, 2286, 3175, 3285, 3650, 3810, 5475, 5715, 6350, 6570, 9125, 9271, 9525, 10950, 11430, 15875, 16425, 18250, 18542, 19050, 27375, 27813, 28575, 31750, 32850, 46355, 47625, 54750, 55626, 57150, 82125, 83439, 92710, 95250, 139065, 142875, 164250, 166878, 231775, 278130, 285750, 417195, 463550, 695325, 834390, 1158875, 1390650, 2085975, 2317750, 3476625, 4171950, 6953250, 10429875, 20859750]

約数ペア:

[(1, 20859750), (2, 10429875), (3, 6953250), (5, 4171950), (6, 3476625), (9, 2317750), (10, 2085975), (15, 1390650), (18, 1158875), (25, 834390), (30, 695325), (45, 463550), (50, 417195), (73, 285750), (75, 278130), (90, 231775), (125, 166878), (127, 164250), (146, 142875), (150, 139065), (219, 95250), (225, 92710), (250, 83439), (254, 82125), (365, 57150), (375, 55626), (381, 54750), (438, 47625), (450, 46355), (635, 32850), (657, 31750), (730, 28575), (750, 27813), (762, 27375), (1095, 19050), (1125, 18542), (1143, 18250), (1270, 16425), (1314, 15875), (1825, 11430), (1905, 10950), (2190, 9525), (2250, 9271), (2286, 9125), (3175, 6570), (3285, 6350), (3650, 5715), (3810, 5475)]