20946156712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1427}}^1\times {\mathrm{2663}}^1$

素因数の和:4162

約数の個数: 64

約数和(自身を含む): 43139537280

約数和(自身を除く): 22193380568

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 1427, 2663, 2756, 2854, 5326, 5512, 5708, 10652, 11416, 18551, 21304, 34619, 37102, 69238, 74204, 75631, 138476, 141139, 148408, 151262, 276952, 282278, 302524, 564556, 605048, 983203, 1129112, 1834807, 1966406, 3669614, 3800101, 3932812, 7339228, 7600202, 7865624, 14678456, 15200404, 30400808, 49401313, 98802626, 197605252, 201405353, 395210504, 402810706, 805621412, 1611242824, 2618269589, 5236539178, 10473078356, 20946156712]

約数ペア:

[(1, 20946156712), (2, 10473078356), (4, 5236539178), (8, 2618269589), (13, 1611242824), (26, 805621412), (52, 402810706), (53, 395210504), (104, 201405353), (106, 197605252), (212, 98802626), (424, 49401313), (689, 30400808), (1378, 15200404), (1427, 14678456), (2663, 7865624), (2756, 7600202), (2854, 7339228), (5326, 3932812), (5512, 3800101), (5708, 3669614), (10652, 1966406), (11416, 1834807), (18551, 1129112), (21304, 983203), (34619, 605048), (37102, 564556), (69238, 302524), (74204, 282278), (75631, 276952), (138476, 151262), (141139, 148408)]