16811940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{280199}}^1$

素因数の和:280211

約数の個数: 24

約数和(自身を含む): 47073600

約数和(自身を除く): 30261660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 280199, 560398, 840597, 1120796, 1400995, 1681194, 2801990, 3362388, 4202985, 5603980, 8405970, 16811940]

約数ペア:

[(1, 16811940), (2, 8405970), (3, 5603980), (4, 4202985), (5, 3362388), (6, 2801990), (10, 1681194), (12, 1400995), (15, 1120796), (20, 840597), (30, 560398), (60, 280199)]