20826480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{811}}^1$

素因数の和:934

約数の個数: 80

約数和(自身を含む): 65245824

約数和(自身を除く): 44419344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 811, 856, 1070, 1284, 1605, 1622, 1712, 2140, 2433, 2568, 3210, 3244, 4055, 4280, 4866, 5136, 6420, 6488, 8110, 8560, 9732, 12165, 12840, 12976, 16220, 19464, 24330, 25680, 32440, 38928, 48660, 64880, 86777, 97320, 173554, 194640, 260331, 347108, 433885, 520662, 694216, 867770, 1041324, 1301655, 1388432, 1735540, 2082648, 2603310, 3471080, 4165296, 5206620, 6942160, 10413240, 20826480]

約数ペア:

[(1, 20826480), (2, 10413240), (3, 6942160), (4, 5206620), (5, 4165296), (6, 3471080), (8, 2603310), (10, 2082648), (12, 1735540), (15, 1388432), (16, 1301655), (20, 1041324), (24, 867770), (30, 694216), (40, 520662), (48, 433885), (60, 347108), (80, 260331), (107, 194640), (120, 173554), (214, 97320), (240, 86777), (321, 64880), (428, 48660), (535, 38928), (642, 32440), (811, 25680), (856, 24330), (1070, 19464), (1284, 16220), (1605, 12976), (1622, 12840), (1712, 12165), (2140, 9732), (2433, 8560), (2568, 8110), (3210, 6488), (3244, 6420), (4055, 5136), (4280, 4866)]