20696340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49277}}^1$

素因数の和:49296

約数の個数: 48

約数和(自身を含む): 66229632

約数和(自身を除く): 45533292

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, 49277, 98554, 147831, 197108, 246385, 295662, 344939, 492770, 591324, 689878, 739155, 985540, 1034817, 1379756, 1478310, 1724695, 2069634, 2956620, 3449390, 4139268, 5174085, 6898780, 10348170, 20696340]

約数ペア:

[(1, 20696340), (2, 10348170), (3, 6898780), (4, 5174085), (5, 4139268), (6, 3449390), (7, 2956620), (10, 2069634), (12, 1724695), (14, 1478310), (15, 1379756), (20, 1034817), (21, 985540), (28, 739155), (30, 689878), (35, 591324), (42, 492770), (60, 344939), (70, 295662), (84, 246385), (105, 197108), (140, 147831), (210, 98554), (420, 49277)]