20307990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4483}}^1$

素因数の和:4644

約数の個数: 32

約数和(自身を含む): 49072896

約数和(自身を除く): 28764906

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 151, 302, 453, 755, 906, 1510, 2265, 4483, 4530, 8966, 13449, 22415, 26898, 44830, 67245, 134490, 676933, 1353866, 2030799, 3384665, 4061598, 6769330, 10153995, 20307990]

約数ペア:

[(1, 20307990), (2, 10153995), (3, 6769330), (5, 4061598), (6, 3384665), (10, 2030799), (15, 1353866), (30, 676933), (151, 134490), (302, 67245), (453, 44830), (755, 26898), (906, 22415), (1510, 13449), (2265, 8966), (4483, 4530)]