20457930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681931}}^1$

素因数の和:681941

約数の個数: 16

約数和(自身を含む): 49099104

約数和(自身を除く): 28641174

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681931, 1363862, 2045793, 3409655, 4091586, 6819310, 10228965, 20457930]

約数ペア:

[(1, 20457930), (2, 10228965), (3, 6819310), (5, 4091586), (6, 3409655), (10, 2045793), (15, 1363862), (30, 681931)]