20847930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{859}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 50155200

約数和(自身を除く): 29307270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 809, 859, 1618, 1718, 2427, 2577, 4045, 4295, 4854, 5154, 8090, 8590, 12135, 12885, 24270, 25770, 694931, 1389862, 2084793, 3474655, 4169586, 6949310, 10423965, 20847930]

約数ペア:

[(1, 20847930), (2, 10423965), (3, 6949310), (5, 4169586), (6, 3474655), (10, 2084793), (15, 1389862), (30, 694931), (809, 25770), (859, 24270), (1618, 12885), (1718, 12135), (2427, 8590), (2577, 8090), (4045, 5154), (4295, 4854)]