20345970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{678199}}^1$

素因数の和:678209

約数の個数: 16

約数和(自身を含む): 48830400

約数和(自身を除く): 28484430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 678199, 1356398, 2034597, 3390995, 4069194, 6781990, 10172985, 20345970]

約数ペア:

[(1, 20345970), (2, 10172985), (3, 6781990), (5, 4069194), (6, 3390995), (10, 2034597), (15, 1356398), (30, 678199)]