20239980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4621}}^1$

素因数の和:4706

約数の個数: 48

約数和(自身を含む): 57460704

約数和(自身を除く): 37220724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4621, 9242, 13863, 18484, 23105, 27726, 46210, 55452, 69315, 92420, 138630, 277260, 337333, 674666, 1011999, 1349332, 1686665, 2023998, 3373330, 4047996, 5059995, 6746660, 10119990, 20239980]

約数ペア:

[(1, 20239980), (2, 10119990), (3, 6746660), (4, 5059995), (5, 4047996), (6, 3373330), (10, 2023998), (12, 1686665), (15, 1349332), (20, 1011999), (30, 674666), (60, 337333), (73, 277260), (146, 138630), (219, 92420), (292, 69315), (365, 55452), (438, 46210), (730, 27726), (876, 23105), (1095, 18484), (1460, 13863), (2190, 9242), (4380, 4621)]