20611530

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{787}}^1$

素因数の和:900

約数の個数: 64

約数和(自身を含む): 55601280

約数和(自身を除く): 34989750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 97, 135, 194, 270, 291, 485, 582, 787, 873, 970, 1455, 1574, 1746, 2361, 2619, 2910, 3935, 4365, 4722, 5238, 7083, 7870, 8730, 11805, 13095, 14166, 21249, 23610, 26190, 35415, 42498, 70830, 76339, 106245, 152678, 212490, 229017, 381695, 458034, 687051, 763390, 1145085, 1374102, 2061153, 2290170, 3435255, 4122306, 6870510, 10305765, 20611530]

約数ペア:

[(1, 20611530), (2, 10305765), (3, 6870510), (5, 4122306), (6, 3435255), (9, 2290170), (10, 2061153), (15, 1374102), (18, 1145085), (27, 763390), (30, 687051), (45, 458034), (54, 381695), (90, 229017), (97, 212490), (135, 152678), (194, 106245), (270, 76339), (291, 70830), (485, 42498), (582, 35415), (787, 26190), (873, 23610), (970, 21249), (1455, 14166), (1574, 13095), (1746, 11805), (2361, 8730), (2619, 7870), (2910, 7083), (3935, 5238), (4365, 4722)]