20781679362

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{9923}}^1\times {\mathrm{18371}}^1$

素因数の和:28318

約数の個数: 32

約数和(自身を含む): 43757694720

約数和(自身を除く): 22976015358

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 9923, 18371, 19846, 29769, 36742, 55113, 59538, 110226, 188537, 349049, 377074, 565611, 698098, 1047147, 1131222, 2094294, 182295433, 364590866, 546886299, 1093772598, 3463613227, 6927226454, 10390839681, 20781679362]

約数ペア:

[(1, 20781679362), (2, 10390839681), (3, 6927226454), (6, 3463613227), (19, 1093772598), (38, 546886299), (57, 364590866), (114, 182295433), (9923, 2094294), (18371, 1131222), (19846, 1047147), (29769, 698098), (36742, 565611), (55113, 377074), (59538, 349049), (110226, 188537)]