20030840

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{809}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 45198000

約数和(自身を除く): 25167160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 809, 1238, 1618, 2476, 3095, 3236, 4045, 4952, 6190, 6472, 8090, 12380, 16180, 24760, 32360, 500771, 1001542, 2003084, 2503855, 4006168, 5007710, 10015420, 20030840]

約数ペア:

[(1, 20030840), (2, 10015420), (4, 5007710), (5, 4006168), (8, 2503855), (10, 2003084), (20, 1001542), (40, 500771), (619, 32360), (809, 24760), (1238, 16180), (1618, 12380), (2476, 8090), (3095, 6472), (3236, 6190), (4045, 4952)]