20443668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1223}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 54835200

約数和(自身を除く): 34391532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 199, 398, 597, 796, 1194, 1223, 1393, 2388, 2446, 2786, 3669, 4179, 4892, 5572, 7338, 8358, 8561, 14676, 16716, 17122, 25683, 34244, 51366, 102732, 243377, 486754, 730131, 973508, 1460262, 1703639, 2920524, 3407278, 5110917, 6814556, 10221834, 20443668]

約数ペア:

[(1, 20443668), (2, 10221834), (3, 6814556), (4, 5110917), (6, 3407278), (7, 2920524), (12, 1703639), (14, 1460262), (21, 973508), (28, 730131), (42, 486754), (84, 243377), (199, 102732), (398, 51366), (597, 34244), (796, 25683), (1194, 17122), (1223, 16716), (1393, 14676), (2388, 8561), (2446, 8358), (2786, 7338), (3669, 5572), (4179, 4892)]