20750830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1087}}^1$

素因数の和:1200

約数の個数: 32

約数和(自身を含む): 39481344

約数和(自身を除く): 18730514

約数列:

[1, 2, 5, 10, 23, 46, 83, 115, 166, 230, 415, 830, 1087, 1909, 2174, 3818, 5435, 9545, 10870, 19090, 25001, 50002, 90221, 125005, 180442, 250010, 451105, 902210, 2075083, 4150166, 10375415, 20750830]

約数ペア:

[(1, 20750830), (2, 10375415), (5, 4150166), (10, 2075083), (23, 902210), (46, 451105), (83, 250010), (115, 180442), (166, 125005), (230, 90221), (415, 50002), (830, 25001), (1087, 19090), (1909, 10870), (2174, 9545), (3818, 5435)]