20149545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{541}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 34965504

約数和(自身を除く): 14815959

約数列:

[1, 3, 5, 13, 15, 39, 65, 191, 195, 541, 573, 955, 1623, 2483, 2705, 2865, 7033, 7449, 8115, 12415, 21099, 35165, 37245, 103331, 105495, 309993, 516655, 1343303, 1549965, 4029909, 6716515, 20149545]

約数ペア:

[(1, 20149545), (3, 6716515), (5, 4029909), (13, 1549965), (15, 1343303), (39, 516655), (65, 309993), (191, 105495), (195, 103331), (541, 37245), (573, 35165), (955, 21099), (1623, 12415), (2483, 8115), (2705, 7449), (2865, 7033)]