20405370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29573}}^1$

素因数の和:29606

約数の個数: 32

約数和(自身を含む): 51103872

約数和(自身を除く): 30698502

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 29573, 59146, 88719, 147865, 177438, 295730, 443595, 680179, 887190, 1360358, 2040537, 3400895, 4081074, 6801790, 10202685, 20405370]

約数ペア:

[(1, 20405370), (2, 10202685), (3, 6801790), (5, 4081074), (6, 3400895), (10, 2040537), (15, 1360358), (23, 887190), (30, 680179), (46, 443595), (69, 295730), (115, 177438), (138, 147865), (230, 88719), (345, 59146), (690, 29573)]