20170476

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 55189680

約数和(自身を除く): 35019204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 797, 1332, 1406, 1594, 2109, 2391, 2812, 3188, 4218, 4782, 6327, 7173, 8436, 9564, 12654, 14346, 15143, 25308, 28692, 29489, 30286, 45429, 58978, 60572, 88467, 90858, 117956, 136287, 176934, 181716, 265401, 272574, 353868, 530802, 545148, 560291, 1061604, 1120582, 1680873, 2241164, 3361746, 5042619, 6723492, 10085238, 20170476]

約数ペア:

[(1, 20170476), (2, 10085238), (3, 6723492), (4, 5042619), (6, 3361746), (9, 2241164), (12, 1680873), (18, 1120582), (19, 1061604), (36, 560291), (37, 545148), (38, 530802), (57, 353868), (74, 272574), (76, 265401), (111, 181716), (114, 176934), (148, 136287), (171, 117956), (222, 90858), (228, 88467), (333, 60572), (342, 58978), (444, 45429), (666, 30286), (684, 29489), (703, 28692), (797, 25308), (1332, 15143), (1406, 14346), (1594, 12654), (2109, 9564), (2391, 8436), (2812, 7173), (3188, 6327), (4218, 4782)]