20123330312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{276389}}^1$

素因数の和:276893

約数の個数: 32

約数和(自身を含む): 39800160000

約数和(自身を除く): 19676829688

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 479, 958, 1916, 3832, 9101, 18202, 36404, 72808, 276389, 552778, 1105556, 2211112, 5251391, 10502782, 21005564, 42011128, 132390331, 264780662, 529561324, 1059122648, 2515416289, 5030832578, 10061665156, 20123330312]

約数ペア:

[(1, 20123330312), (2, 10061665156), (4, 5030832578), (8, 2515416289), (19, 1059122648), (38, 529561324), (76, 264780662), (152, 132390331), (479, 42011128), (958, 21005564), (1916, 10502782), (3832, 5251391), (9101, 2211112), (18202, 1105556), (36404, 552778), (72808, 276389)]