20390218552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1\times {\mathrm{7237}}^1$

素因数の和:7672

約数の個数: 64

約数和(自身を含む): 42258918240

約数和(自身を除く): 21868699688

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 317, 404, 634, 808, 1111, 1268, 2222, 2536, 3487, 4444, 6974, 7237, 8888, 13948, 14474, 27896, 28948, 32017, 57896, 64034, 79607, 128068, 159214, 256136, 318428, 352187, 636856, 704374, 730937, 1408748, 1461874, 2294129, 2817496, 2923748, 4588258, 5847496, 8040307, 9176516, 16080614, 18353032, 25235419, 32161228, 50470838, 64322456, 100941676, 201883352, 231707029, 463414058, 926828116, 1853656232, 2548777319, 5097554638, 10195109276, 20390218552]

約数ペア:

[(1, 20390218552), (2, 10195109276), (4, 5097554638), (8, 2548777319), (11, 1853656232), (22, 926828116), (44, 463414058), (88, 231707029), (101, 201883352), (202, 100941676), (317, 64322456), (404, 50470838), (634, 32161228), (808, 25235419), (1111, 18353032), (1268, 16080614), (2222, 9176516), (2536, 8040307), (3487, 5847496), (4444, 4588258), (6974, 2923748), (7237, 2817496), (8888, 2294129), (13948, 1461874), (14474, 1408748), (27896, 730937), (28948, 704374), (32017, 636856), (57896, 352187), (64034, 318428), (79607, 256136), (128068, 159214)]