20068389

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 14076891

約数列:

[1, 3, 9, 11, 19, 33, 47, 57, 99, 141, 171, 209, 227, 423, 517, 627, 681, 893, 1551, 1881, 2043, 2497, 2679, 4313, 4653, 7491, 8037, 9823, 10669, 12939, 22473, 29469, 32007, 38817, 47443, 88407, 96021, 117359, 142329, 202711, 352077, 426987, 608133, 1056231, 1824399, 2229821, 6689463, 20068389]

約数ペア:

[(1, 20068389), (3, 6689463), (9, 2229821), (11, 1824399), (19, 1056231), (33, 608133), (47, 426987), (57, 352077), (99, 202711), (141, 142329), (171, 117359), (209, 96021), (227, 88407), (423, 47443), (517, 38817), (627, 32007), (681, 29469), (893, 22473), (1551, 12939), (1881, 10669), (2043, 9823), (2497, 8037), (2679, 7491), (4313, 4653)]