20239908688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3916391}}^1$

素因数の和:3916435

約数の個数: 40

約数和(自身を含む): 43706934720

約数和(自身を除く): 23467026032

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 3916391, 7832782, 15665564, 31331128, 62662256, 66578647, 74411429, 133157294, 148822858, 266314588, 297645716, 532629176, 595291432, 1065258352, 1190582864, 1264994293, 2529988586, 5059977172, 10119954344, 20239908688]

約数ペア:

[(1, 20239908688), (2, 10119954344), (4, 5059977172), (8, 2529988586), (16, 1264994293), (17, 1190582864), (19, 1065258352), (34, 595291432), (38, 532629176), (68, 297645716), (76, 266314588), (136, 148822858), (152, 133157294), (272, 74411429), (304, 66578647), (323, 62662256), (646, 31331128), (1292, 15665564), (2584, 7832782), (5168, 3916391)]