20288250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 56070144

約数和(自身を除く): 35781894

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 125, 127, 142, 150, 213, 225, 250, 254, 355, 375, 381, 426, 450, 635, 639, 710, 750, 762, 1065, 1125, 1143, 1270, 1278, 1775, 1905, 2130, 2250, 2286, 3175, 3195, 3550, 3810, 5325, 5715, 6350, 6390, 8875, 9017, 9525, 10650, 11430, 15875, 15975, 17750, 18034, 19050, 26625, 27051, 28575, 31750, 31950, 45085, 47625, 53250, 54102, 57150, 79875, 81153, 90170, 95250, 135255, 142875, 159750, 162306, 225425, 270510, 285750, 405765, 450850, 676275, 811530, 1127125, 1352550, 2028825, 2254250, 3381375, 4057650, 6762750, 10144125, 20288250]

約数ペア:

[(1, 20288250), (2, 10144125), (3, 6762750), (5, 4057650), (6, 3381375), (9, 2254250), (10, 2028825), (15, 1352550), (18, 1127125), (25, 811530), (30, 676275), (45, 450850), (50, 405765), (71, 285750), (75, 270510), (90, 225425), (125, 162306), (127, 159750), (142, 142875), (150, 135255), (213, 95250), (225, 90170), (250, 81153), (254, 79875), (355, 57150), (375, 54102), (381, 53250), (426, 47625), (450, 45085), (635, 31950), (639, 31750), (710, 28575), (750, 27051), (762, 26625), (1065, 19050), (1125, 18034), (1143, 17750), (1270, 15975), (1278, 15875), (1775, 11430), (1905, 10650), (2130, 9525), (2250, 9017), (2286, 8875), (3175, 6390), (3195, 6350), (3550, 5715), (3810, 5325)]