20052240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6427}}^1$

素因数の和:6456

約数の個数: 80

約数和(自身を含む): 66954048

約数和(自身を除く): 46901808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6427, 12854, 19281, 25708, 32135, 38562, 51416, 64270, 77124, 83551, 96405, 102832, 128540, 154248, 167102, 192810, 250653, 257080, 308496, 334204, 385620, 417755, 501306, 514160, 668408, 771240, 835510, 1002612, 1253265, 1336816, 1542480, 1671020, 2005224, 2506530, 3342040, 4010448, 5013060, 6684080, 10026120, 20052240]

約数ペア:

[(1, 20052240), (2, 10026120), (3, 6684080), (4, 5013060), (5, 4010448), (6, 3342040), (8, 2506530), (10, 2005224), (12, 1671020), (13, 1542480), (15, 1336816), (16, 1253265), (20, 1002612), (24, 835510), (26, 771240), (30, 668408), (39, 514160), (40, 501306), (48, 417755), (52, 385620), (60, 334204), (65, 308496), (78, 257080), (80, 250653), (104, 192810), (120, 167102), (130, 154248), (156, 128540), (195, 102832), (208, 96405), (240, 83551), (260, 77124), (312, 64270), (390, 51416), (520, 38562), (624, 32135), (780, 25708), (1040, 19281), (1560, 12854), (3120, 6427)]