20078550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 36167850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 107, 135, 139, 150, 214, 225, 270, 278, 321, 417, 450, 535, 642, 675, 695, 834, 963, 1070, 1251, 1350, 1390, 1605, 1926, 2085, 2502, 2675, 2889, 3210, 3475, 3753, 4170, 4815, 5350, 5778, 6255, 6950, 7506, 8025, 9630, 10425, 12510, 14445, 14873, 16050, 18765, 20850, 24075, 28890, 29746, 31275, 37530, 44619, 48150, 62550, 72225, 74365, 89238, 93825, 133857, 144450, 148730, 187650, 223095, 267714, 371825, 401571, 446190, 669285, 743650, 803142, 1115475, 1338570, 2007855, 2230950, 3346425, 4015710, 6692850, 10039275, 20078550]

約数ペア:

[(1, 20078550), (2, 10039275), (3, 6692850), (5, 4015710), (6, 3346425), (9, 2230950), (10, 2007855), (15, 1338570), (18, 1115475), (25, 803142), (27, 743650), (30, 669285), (45, 446190), (50, 401571), (54, 371825), (75, 267714), (90, 223095), (107, 187650), (135, 148730), (139, 144450), (150, 133857), (214, 93825), (225, 89238), (270, 74365), (278, 72225), (321, 62550), (417, 48150), (450, 44619), (535, 37530), (642, 31275), (675, 29746), (695, 28890), (834, 24075), (963, 20850), (1070, 18765), (1251, 16050), (1350, 14873), (1390, 14445), (1605, 12510), (1926, 10425), (2085, 9630), (2502, 8025), (2675, 7506), (2889, 6950), (3210, 6255), (3475, 5778), (3753, 5350), (4170, 4815)]