20493345

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 34504704

約数和(自身を除く): 14011359

約数列:

[1, 3, 5, 15, 23, 69, 115, 191, 311, 345, 573, 933, 955, 1555, 2865, 4393, 4665, 7153, 13179, 21459, 21965, 35765, 59401, 65895, 107295, 178203, 297005, 891015, 1366223, 4098669, 6831115, 20493345]

約数ペア:

[(1, 20493345), (3, 6831115), (5, 4098669), (15, 1366223), (23, 891015), (69, 297005), (115, 178203), (191, 107295), (311, 65895), (345, 59401), (573, 35765), (933, 21965), (955, 21459), (1555, 13179), (2865, 7153), (4393, 4665)]