20586840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7459}}^1$

素因数の和:7496

約数の個数: 64

約数和(自身を含む): 64454400

約数和(自身を除く): 43867560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7459, 14918, 22377, 29836, 37295, 44754, 59672, 74590, 89508, 111885, 149180, 171557, 179016, 223770, 298360, 343114, 447540, 514671, 686228, 857785, 895080, 1029342, 1372456, 1715570, 2058684, 2573355, 3431140, 4117368, 5146710, 6862280, 10293420, 20586840]

約数ペア:

[(1, 20586840), (2, 10293420), (3, 6862280), (4, 5146710), (5, 4117368), (6, 3431140), (8, 2573355), (10, 2058684), (12, 1715570), (15, 1372456), (20, 1029342), (23, 895080), (24, 857785), (30, 686228), (40, 514671), (46, 447540), (60, 343114), (69, 298360), (92, 223770), (115, 179016), (120, 171557), (138, 149180), (184, 111885), (230, 89508), (276, 74590), (345, 59672), (460, 44754), (552, 37295), (690, 29836), (920, 22377), (1380, 14918), (2760, 7459)]