20789880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173249}}^1$

素因数の和:173263

約数の個数: 32

約数和(自身を含む): 62370000

約数和(自身を除く): 41580120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173249, 346498, 519747, 692996, 866245, 1039494, 1385992, 1732490, 2078988, 2598735, 3464980, 4157976, 5197470, 6929960, 10394940, 20789880]

約数ペア:

[(1, 20789880), (2, 10394940), (3, 6929960), (4, 5197470), (5, 4157976), (6, 3464980), (8, 2598735), (10, 2078988), (12, 1732490), (15, 1385992), (20, 1039494), (24, 866245), (30, 692996), (40, 519747), (60, 346498), (120, 173249)]