20195055

素因数分解:

$3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{659}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 15920145

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 227, 659, 681, 1135, 1977, 2043, 3295, 3405, 5931, 6129, 9885, 10215, 17793, 29655, 30645, 88965, 149593, 448779, 747965, 1346337, 2243895, 4039011, 6731685, 20195055]

約数ペア:

[(1, 20195055), (3, 6731685), (5, 4039011), (9, 2243895), (15, 1346337), (27, 747965), (45, 448779), (135, 149593), (227, 88965), (659, 30645), (681, 29655), (1135, 17793), (1977, 10215), (2043, 9885), (3295, 6129), (3405, 5931)]