20398777596

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{74293}}^1$

素因数の和:74595

約数の個数: 72

約数和(自身を含む): 53545171680

約数和(自身を除く): 33146394084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 263, 348, 522, 526, 789, 1044, 1052, 1578, 2367, 3156, 4734, 7627, 9468, 15254, 22881, 30508, 45762, 68643, 74293, 91524, 137286, 148586, 222879, 274572, 297172, 445758, 668637, 891516, 1337274, 2154497, 2674548, 4308994, 6463491, 8617988, 12926982, 19390473, 19539059, 25853964, 38780946, 39078118, 58617177, 77561892, 78156236, 117234354, 175851531, 234468708, 351703062, 566632711, 703406124, 1133265422, 1699898133, 2266530844, 3399796266, 5099694399, 6799592532, 10199388798, 20398777596]

約数ペア:

[(1, 20398777596), (2, 10199388798), (3, 6799592532), (4, 5099694399), (6, 3399796266), (9, 2266530844), (12, 1699898133), (18, 1133265422), (29, 703406124), (36, 566632711), (58, 351703062), (87, 234468708), (116, 175851531), (174, 117234354), (261, 78156236), (263, 77561892), (348, 58617177), (522, 39078118), (526, 38780946), (789, 25853964), (1044, 19539059), (1052, 19390473), (1578, 12926982), (2367, 8617988), (3156, 6463491), (4734, 4308994), (7627, 2674548), (9468, 2154497), (15254, 1337274), (22881, 891516), (30508, 668637), (45762, 445758), (68643, 297172), (74293, 274572), (91524, 222879), (137286, 148586)]