20883030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 57646080

約数和(自身を除く): 36763050

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 277, 359, 554, 718, 831, 1077, 1385, 1662, 1795, 1939, 2154, 2513, 2770, 3590, 3878, 4155, 5026, 5385, 5817, 7539, 8310, 9695, 10770, 11634, 12565, 15078, 19390, 25130, 29085, 37695, 58170, 75390, 99443, 198886, 298329, 497215, 596658, 696101, 994430, 1392202, 1491645, 2088303, 2983290, 3480505, 4176606, 6961010, 10441515, 20883030]

約数ペア:

[(1, 20883030), (2, 10441515), (3, 6961010), (5, 4176606), (6, 3480505), (7, 2983290), (10, 2088303), (14, 1491645), (15, 1392202), (21, 994430), (30, 696101), (35, 596658), (42, 497215), (70, 298329), (105, 198886), (210, 99443), (277, 75390), (359, 58170), (554, 37695), (718, 29085), (831, 25130), (1077, 19390), (1385, 15078), (1662, 12565), (1795, 11634), (1939, 10770), (2154, 9695), (2513, 8310), (2770, 7539), (3590, 5817), (3878, 5385), (4155, 5026)]