20747016

素因数分解:

$2^3\times 3^4\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 58871340

約数和(自身を除く): 38124324

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 101, 108, 162, 202, 216, 303, 317, 324, 404, 606, 634, 648, 808, 909, 951, 1212, 1268, 1818, 1902, 2424, 2536, 2727, 2853, 3636, 3804, 5454, 5706, 7272, 7608, 8181, 8559, 10908, 11412, 16362, 17118, 21816, 22824, 25677, 32017, 32724, 34236, 51354, 64034, 65448, 68472, 96051, 102708, 128068, 192102, 205416, 256136, 288153, 384204, 576306, 768408, 864459, 1152612, 1728918, 2305224, 2593377, 3457836, 5186754, 6915672, 10373508, 20747016]

約数ペア:

[(1, 20747016), (2, 10373508), (3, 6915672), (4, 5186754), (6, 3457836), (8, 2593377), (9, 2305224), (12, 1728918), (18, 1152612), (24, 864459), (27, 768408), (36, 576306), (54, 384204), (72, 288153), (81, 256136), (101, 205416), (108, 192102), (162, 128068), (202, 102708), (216, 96051), (303, 68472), (317, 65448), (324, 64034), (404, 51354), (606, 34236), (634, 32724), (648, 32017), (808, 25677), (909, 22824), (951, 21816), (1212, 17118), (1268, 16362), (1818, 11412), (1902, 10908), (2424, 8559), (2536, 8181), (2727, 7608), (2853, 7272), (3636, 5706), (3804, 5454)]