20718036

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 56183400

約数和(自身を除く): 35465364

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 97, 102, 153, 194, 204, 291, 306, 349, 388, 582, 612, 698, 873, 1047, 1164, 1396, 1649, 1746, 2094, 3141, 3298, 3492, 4188, 4947, 5933, 6282, 6596, 9894, 11866, 12564, 14841, 17799, 19788, 23732, 29682, 33853, 35598, 53397, 59364, 67706, 71196, 101559, 106794, 135412, 203118, 213588, 304677, 406236, 575501, 609354, 1151002, 1218708, 1726503, 2302004, 3453006, 5179509, 6906012, 10359018, 20718036]

約数ペア:

[(1, 20718036), (2, 10359018), (3, 6906012), (4, 5179509), (6, 3453006), (9, 2302004), (12, 1726503), (17, 1218708), (18, 1151002), (34, 609354), (36, 575501), (51, 406236), (68, 304677), (97, 213588), (102, 203118), (153, 135412), (194, 106794), (204, 101559), (291, 71196), (306, 67706), (349, 59364), (388, 53397), (582, 35598), (612, 33853), (698, 29682), (873, 23732), (1047, 19788), (1164, 17799), (1396, 14841), (1649, 12564), (1746, 11866), (2094, 9894), (3141, 6596), (3298, 6282), (3492, 5933), (4188, 4947)]