20285028

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 53543672

約数和(自身を除く): 33258644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 97, 111, 148, 157, 194, 222, 291, 314, 333, 388, 444, 471, 582, 628, 666, 873, 942, 1164, 1332, 1413, 1746, 1884, 2826, 3492, 3589, 5652, 5809, 7178, 10767, 11618, 14356, 15229, 17427, 21534, 23236, 30458, 32301, 34854, 43068, 45687, 52281, 60916, 64602, 69708, 91374, 104562, 129204, 137061, 182748, 209124, 274122, 548244, 563473, 1126946, 1690419, 2253892, 3380838, 5071257, 6761676, 10142514, 20285028]

約数ペア:

[(1, 20285028), (2, 10142514), (3, 6761676), (4, 5071257), (6, 3380838), (9, 2253892), (12, 1690419), (18, 1126946), (36, 563473), (37, 548244), (74, 274122), (97, 209124), (111, 182748), (148, 137061), (157, 129204), (194, 104562), (222, 91374), (291, 69708), (314, 64602), (333, 60916), (388, 52281), (444, 45687), (471, 43068), (582, 34854), (628, 32301), (666, 30458), (873, 23236), (942, 21534), (1164, 17427), (1332, 15229), (1413, 14356), (1746, 11618), (1884, 10767), (2826, 7178), (3492, 5809), (3589, 5652)]