20195304892

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{288389}}^1$

素因数の和:288502

約数の個数: 48

約数和(自身を含む): 42054183360

約数和(自身を除く): 21858878468

約数列:

[1, 2, 4, 7, 14, 28, 41, 61, 82, 122, 164, 244, 287, 427, 574, 854, 1148, 1708, 2501, 5002, 10004, 17507, 35014, 70028, 288389, 576778, 1153556, 2018723, 4037446, 8074892, 11823949, 17591729, 23647898, 35183458, 47295796, 70366916, 82767643, 123142103, 165535286, 246284206, 331070572, 492568412, 721260889, 1442521778, 2885043556, 5048826223, 10097652446, 20195304892]

約数ペア:

[(1, 20195304892), (2, 10097652446), (4, 5048826223), (7, 2885043556), (14, 1442521778), (28, 721260889), (41, 492568412), (61, 331070572), (82, 246284206), (122, 165535286), (164, 123142103), (244, 82767643), (287, 70366916), (427, 47295796), (574, 35183458), (854, 23647898), (1148, 17591729), (1708, 11823949), (2501, 8074892), (5002, 4037446), (10004, 2018723), (17507, 1153556), (35014, 576778), (70028, 288389)]