20689944

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{719}}^1$

素因数の和:848

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 36334056

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 109, 132, 218, 264, 327, 436, 654, 719, 872, 1199, 1308, 1438, 2157, 2398, 2616, 2876, 3597, 4314, 4796, 5752, 7194, 7909, 8628, 9592, 14388, 15818, 17256, 23727, 28776, 31636, 47454, 63272, 78371, 94908, 156742, 189816, 235113, 313484, 470226, 626968, 862081, 940452, 1724162, 1880904, 2586243, 3448324, 5172486, 6896648, 10344972, 20689944]

約数ペア:

[(1, 20689944), (2, 10344972), (3, 6896648), (4, 5172486), (6, 3448324), (8, 2586243), (11, 1880904), (12, 1724162), (22, 940452), (24, 862081), (33, 626968), (44, 470226), (66, 313484), (88, 235113), (109, 189816), (132, 156742), (218, 94908), (264, 78371), (327, 63272), (436, 47454), (654, 31636), (719, 28776), (872, 23727), (1199, 17256), (1308, 15818), (1438, 14388), (2157, 9592), (2398, 8628), (2616, 7909), (2876, 7194), (3597, 5752), (4314, 4796)]