20295249

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 31248000

約数和(自身を除く): 10952751

約数列:

[1, 3, 13, 19, 39, 57, 61, 183, 247, 449, 741, 793, 1159, 1347, 2379, 3477, 5837, 8531, 15067, 17511, 25593, 27389, 45201, 82167, 110903, 332709, 356057, 520391, 1068171, 1561173, 6765083, 20295249]

約数ペア:

[(1, 20295249), (3, 6765083), (13, 1561173), (19, 1068171), (39, 520391), (57, 356057), (61, 332709), (183, 110903), (247, 82167), (449, 45201), (741, 27389), (793, 25593), (1159, 17511), (1347, 15067), (2379, 8531), (3477, 5837)]