20931783834

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{686333}}^1$

素因数の和:686391

約数の個数: 64

約数和(自身を含む): 49811376384

約数和(自身を除く): 28879592550

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 34, 39, 46, 51, 69, 78, 102, 138, 221, 299, 391, 442, 598, 663, 782, 897, 1173, 1326, 1794, 2346, 5083, 10166, 15249, 30498, 686333, 1372666, 2058999, 4117998, 8922329, 11667661, 15785659, 17844658, 23335322, 26766987, 31571318, 35002983, 47356977, 53533974, 70005966, 94713954, 151679593, 205213567, 268356203, 303359186, 410427134, 455038779, 536712406, 615640701, 805068609, 910077558, 1231281402, 1610137218, 3488630639, 6977261278, 10465891917, 20931783834]

約数ペア:

[(1, 20931783834), (2, 10465891917), (3, 6977261278), (6, 3488630639), (13, 1610137218), (17, 1231281402), (23, 910077558), (26, 805068609), (34, 615640701), (39, 536712406), (46, 455038779), (51, 410427134), (69, 303359186), (78, 268356203), (102, 205213567), (138, 151679593), (221, 94713954), (299, 70005966), (391, 53533974), (442, 47356977), (598, 35002983), (663, 31571318), (782, 26766987), (897, 23335322), (1173, 17844658), (1326, 15785659), (1794, 11667661), (2346, 8922329), (5083, 4117998), (10166, 2058999), (15249, 1372666), (30498, 686333)]