20798370

素因数分解:

$2^1\times 3^8\times 5^1\times {\mathrm{317}}^1$

素因数の和:348

約数の個数: 72

約数和(自身を含む): 56329884

約数和(自身を除く): 35531514

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 317, 405, 486, 634, 729, 810, 951, 1215, 1458, 1585, 1902, 2187, 2430, 2853, 3170, 3645, 4374, 4755, 5706, 6561, 7290, 8559, 9510, 10935, 13122, 14265, 17118, 21870, 25677, 28530, 32805, 42795, 51354, 65610, 77031, 85590, 128385, 154062, 231093, 256770, 385155, 462186, 693279, 770310, 1155465, 1386558, 2079837, 2310930, 3466395, 4159674, 6932790, 10399185, 20798370]

約数ペア:

[(1, 20798370), (2, 10399185), (3, 6932790), (5, 4159674), (6, 3466395), (9, 2310930), (10, 2079837), (15, 1386558), (18, 1155465), (27, 770310), (30, 693279), (45, 462186), (54, 385155), (81, 256770), (90, 231093), (135, 154062), (162, 128385), (243, 85590), (270, 77031), (317, 65610), (405, 51354), (486, 42795), (634, 32805), (729, 28530), (810, 25677), (951, 21870), (1215, 17118), (1458, 14265), (1585, 13122), (1902, 10935), (2187, 9510), (2430, 8559), (2853, 7290), (3170, 6561), (3645, 5706), (4374, 4755)]