20349611996

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{7103}}^1$

素因数の和:7479

約数の個数: 72

約数和(自身を含む): 42449412096

約数和(自身を除く): 22099800100

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 311, 329, 622, 658, 1244, 1316, 2177, 2303, 4354, 4606, 7103, 8708, 9212, 14206, 14617, 15239, 28412, 29234, 30478, 49721, 58468, 60956, 99442, 102319, 198884, 204638, 333841, 348047, 409276, 667682, 696094, 716233, 1335364, 1392188, 1432466, 2209033, 2336887, 2864932, 4418066, 4673774, 8836132, 9347548, 15463231, 16358209, 30926462, 32716418, 61852924, 65432836, 103824551, 108242617, 207649102, 216485234, 415298204, 432970468, 726771857, 1453543714, 2907087428, 5087402999, 10174805998, 20349611996]

約数ペア:

[(1, 20349611996), (2, 10174805998), (4, 5087402999), (7, 2907087428), (14, 1453543714), (28, 726771857), (47, 432970468), (49, 415298204), (94, 216485234), (98, 207649102), (188, 108242617), (196, 103824551), (311, 65432836), (329, 61852924), (622, 32716418), (658, 30926462), (1244, 16358209), (1316, 15463231), (2177, 9347548), (2303, 8836132), (4354, 4673774), (4606, 4418066), (7103, 2864932), (8708, 2336887), (9212, 2209033), (14206, 1432466), (14617, 1392188), (15239, 1335364), (28412, 716233), (29234, 696094), (30478, 667682), (49721, 409276), (58468, 348047), (60956, 333841), (99442, 204638), (102319, 198884)]