20017038

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2088

約数の個数: 32

約数和(自身を含む): 42368256

約数和(自身を除く): 22351218

約数列:

[1, 2, 3, 6, 23, 46, 69, 73, 138, 146, 219, 438, 1679, 1987, 3358, 3974, 5037, 5961, 10074, 11922, 45701, 91402, 137103, 145051, 274206, 290102, 435153, 870306, 3336173, 6672346, 10008519, 20017038]

約数ペア:

[(1, 20017038), (2, 10008519), (3, 6672346), (6, 3336173), (23, 870306), (46, 435153), (69, 290102), (73, 274206), (138, 145051), (146, 137103), (219, 91402), (438, 45701), (1679, 11922), (1987, 10074), (3358, 5961), (3974, 5037)]