20197526820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{636343}}^1$

素因数の和:636401

約数の個数: 72

約数和(自身を含む): 59118902976

約数和(自身を除く): 38921376156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 529, 690, 1058, 1380, 1587, 2116, 2645, 3174, 5290, 6348, 7935, 10580, 15870, 31740, 636343, 1272686, 1909029, 2545372, 3181715, 3818058, 6363430, 7636116, 9545145, 12726860, 14635889, 19090290, 29271778, 38180580, 43907667, 58543556, 73179445, 87815334, 146358890, 175630668, 219538335, 292717780, 336625447, 439076670, 673250894, 878153340, 1009876341, 1346501788, 1683127235, 2019752682, 3366254470, 4039505364, 5049381705, 6732508940, 10098763410, 20197526820]

約数ペア:

[(1, 20197526820), (2, 10098763410), (3, 6732508940), (4, 5049381705), (5, 4039505364), (6, 3366254470), (10, 2019752682), (12, 1683127235), (15, 1346501788), (20, 1009876341), (23, 878153340), (30, 673250894), (46, 439076670), (60, 336625447), (69, 292717780), (92, 219538335), (115, 175630668), (138, 146358890), (230, 87815334), (276, 73179445), (345, 58543556), (460, 43907667), (529, 38180580), (690, 29271778), (1058, 19090290), (1380, 14635889), (1587, 12726860), (2116, 9545145), (2645, 7636116), (3174, 6363430), (5290, 3818058), (6348, 3181715), (7935, 2545372), (10580, 1909029), (15870, 1272686), (31740, 636343)]