20169903100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{29101}}^1$

素因数の和:29383

約数の個数: 72

約数和(自身を含む): 45468964800

約数和(自身を除く): 25299061700

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 239, 290, 478, 580, 725, 956, 1195, 1450, 2390, 2900, 4780, 5975, 6931, 11950, 13862, 23900, 27724, 29101, 34655, 58202, 69310, 116404, 138620, 145505, 173275, 291010, 346550, 582020, 693100, 727525, 843929, 1455050, 1687858, 2910100, 3375716, 4219645, 6955139, 8439290, 13910278, 16878580, 21098225, 27820556, 34775695, 42196450, 69551390, 84392900, 139102780, 173878475, 201699031, 347756950, 403398062, 695513900, 806796124, 1008495155, 2016990310, 4033980620, 5042475775, 10084951550, 20169903100]

約数ペア:

[(1, 20169903100), (2, 10084951550), (4, 5042475775), (5, 4033980620), (10, 2016990310), (20, 1008495155), (25, 806796124), (29, 695513900), (50, 403398062), (58, 347756950), (100, 201699031), (116, 173878475), (145, 139102780), (239, 84392900), (290, 69551390), (478, 42196450), (580, 34775695), (725, 27820556), (956, 21098225), (1195, 16878580), (1450, 13910278), (2390, 8439290), (2900, 6955139), (4780, 4219645), (5975, 3375716), (6931, 2910100), (11950, 1687858), (13862, 1455050), (23900, 843929), (27724, 727525), (29101, 693100), (34655, 582020), (58202, 346550), (69310, 291010), (116404, 173275), (138620, 145505)]