20945680440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{768931}}^1$

素因数の和:769172

約数の個数: 64

約数和(自身を含む): 63113938560

約数和(自身を除く): 42168258120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 227, 454, 681, 908, 1135, 1362, 1816, 2270, 2724, 3405, 4540, 5448, 6810, 9080, 13620, 27240, 768931, 1537862, 2306793, 3075724, 3844655, 4613586, 6151448, 7689310, 9227172, 11533965, 15378620, 18454344, 23067930, 30757240, 46135860, 92271720, 174547337, 349094674, 523642011, 698189348, 872736685, 1047284022, 1396378696, 1745473370, 2094568044, 2618210055, 3490946740, 4189136088, 5236420110, 6981893480, 10472840220, 20945680440]

約数ペア:

[(1, 20945680440), (2, 10472840220), (3, 6981893480), (4, 5236420110), (5, 4189136088), (6, 3490946740), (8, 2618210055), (10, 2094568044), (12, 1745473370), (15, 1396378696), (20, 1047284022), (24, 872736685), (30, 698189348), (40, 523642011), (60, 349094674), (120, 174547337), (227, 92271720), (454, 46135860), (681, 30757240), (908, 23067930), (1135, 18454344), (1362, 15378620), (1816, 11533965), (2270, 9227172), (2724, 7689310), (3405, 6151448), (4540, 4613586), (5448, 3844655), (6810, 3075724), (9080, 2306793), (13620, 1537862), (27240, 768931)]