20453850

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 57288000

約数和(自身を除く): 36834150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 109, 135, 139, 150, 218, 225, 270, 278, 327, 417, 450, 545, 654, 675, 695, 834, 981, 1090, 1251, 1350, 1390, 1635, 1962, 2085, 2502, 2725, 2943, 3270, 3475, 3753, 4170, 4905, 5450, 5886, 6255, 6950, 7506, 8175, 9810, 10425, 12510, 14715, 15151, 16350, 18765, 20850, 24525, 29430, 30302, 31275, 37530, 45453, 49050, 62550, 73575, 75755, 90906, 93825, 136359, 147150, 151510, 187650, 227265, 272718, 378775, 409077, 454530, 681795, 757550, 818154, 1136325, 1363590, 2045385, 2272650, 3408975, 4090770, 6817950, 10226925, 20453850]

約数ペア:

[(1, 20453850), (2, 10226925), (3, 6817950), (5, 4090770), (6, 3408975), (9, 2272650), (10, 2045385), (15, 1363590), (18, 1136325), (25, 818154), (27, 757550), (30, 681795), (45, 454530), (50, 409077), (54, 378775), (75, 272718), (90, 227265), (109, 187650), (135, 151510), (139, 147150), (150, 136359), (218, 93825), (225, 90906), (270, 75755), (278, 73575), (327, 62550), (417, 49050), (450, 45453), (545, 37530), (654, 31275), (675, 30302), (695, 29430), (834, 24525), (981, 20850), (1090, 18765), (1251, 16350), (1350, 15151), (1390, 14715), (1635, 12510), (1962, 10425), (2085, 9810), (2502, 8175), (2725, 7506), (2943, 6950), (3270, 6255), (3475, 5886), (3753, 5450), (4170, 4905)]