20083980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47819}}^1$

素因数の和:47838

約数の個数: 48

約数和(自身を含む): 64270080

約数和(自身を除く): 44186100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47819, 95638, 143457, 191276, 239095, 286914, 334733, 478190, 573828, 669466, 717285, 956380, 1004199, 1338932, 1434570, 1673665, 2008398, 2869140, 3347330, 4016796, 5020995, 6694660, 10041990, 20083980]

約数ペア:

[(1, 20083980), (2, 10041990), (3, 6694660), (4, 5020995), (5, 4016796), (6, 3347330), (7, 2869140), (10, 2008398), (12, 1673665), (14, 1434570), (15, 1338932), (20, 1004199), (21, 956380), (28, 717285), (30, 669466), (35, 573828), (42, 478190), (60, 334733), (70, 286914), (84, 239095), (105, 191276), (140, 143457), (210, 95638), (420, 47819)]