20159286

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 47278080

約数和(自身を除く): 27118794

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 191, 294, 359, 382, 573, 718, 1077, 1146, 1337, 2154, 2513, 2674, 4011, 5026, 7539, 8022, 9359, 15078, 17591, 18718, 28077, 35182, 52773, 56154, 68569, 105546, 137138, 205707, 411414, 479983, 959966, 1439949, 2879898, 3359881, 6719762, 10079643, 20159286]

約数ペア:

[(1, 20159286), (2, 10079643), (3, 6719762), (6, 3359881), (7, 2879898), (14, 1439949), (21, 959966), (42, 479983), (49, 411414), (98, 205707), (147, 137138), (191, 105546), (294, 68569), (359, 56154), (382, 52773), (573, 35182), (718, 28077), (1077, 18718), (1146, 17591), (1337, 15078), (2154, 9359), (2513, 8022), (2674, 7539), (4011, 5026)]