20347987412

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{25237}}^1$

素因数の和:25496

約数の個数: 48

約数和(自身を含む): 38465134848

約数和(自身を除く): 18117147436

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 167, 284, 334, 668, 1207, 2414, 2839, 4828, 5678, 11356, 11857, 23714, 25237, 47428, 50474, 100948, 201569, 403138, 429029, 806276, 858058, 1716116, 1791827, 3583654, 4214579, 7167308, 8429158, 16858316, 30461059, 60922118, 71647843, 121844236, 143295686, 286591372, 299235109, 598470218, 1196940436, 5086996853, 10173993706, 20347987412]

約数ペア:

[(1, 20347987412), (2, 10173993706), (4, 5086996853), (17, 1196940436), (34, 598470218), (68, 299235109), (71, 286591372), (142, 143295686), (167, 121844236), (284, 71647843), (334, 60922118), (668, 30461059), (1207, 16858316), (2414, 8429158), (2839, 7167308), (4828, 4214579), (5678, 3583654), (11356, 1791827), (11857, 1716116), (23714, 858058), (25237, 806276), (47428, 429029), (50474, 403138), (100948, 201569)]