20972842884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4380293}}^1$

素因数の和:4380329

約数の個数: 72

約数和(自身を含む): 63777080640

約数和(自身を除く): 42804237756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 4380293, 8760586, 13140879, 17521172, 26281758, 30662051, 39422637, 52563516, 61324102, 78845274, 83225567, 91986153, 122648204, 157690548, 166451134, 183972306, 249676701, 275958459, 332902268, 367944612, 499353402, 551916918, 582578969, 749030103, 998706804, 1103833836, 1165157938, 1498060206, 1747736907, 2330315876, 2996120412, 3495473814, 5243210721, 6990947628, 10486421442, 20972842884]

約数ペア:

[(1, 20972842884), (2, 10486421442), (3, 6990947628), (4, 5243210721), (6, 3495473814), (7, 2996120412), (9, 2330315876), (12, 1747736907), (14, 1498060206), (18, 1165157938), (19, 1103833836), (21, 998706804), (28, 749030103), (36, 582578969), (38, 551916918), (42, 499353402), (57, 367944612), (63, 332902268), (76, 275958459), (84, 249676701), (114, 183972306), (126, 166451134), (133, 157690548), (171, 122648204), (228, 91986153), (252, 83225567), (266, 78845274), (342, 61324102), (399, 52563516), (532, 39422637), (684, 30662051), (798, 26281758), (1197, 17521172), (1596, 13140879), (2394, 8760586), (4788, 4380293)]