20156424

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 33757176

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 127, 136, 204, 254, 381, 389, 408, 508, 762, 778, 1016, 1167, 1524, 1556, 2159, 2334, 3048, 3112, 4318, 4668, 6477, 6613, 8636, 9336, 12954, 13226, 17272, 19839, 25908, 26452, 39678, 49403, 51816, 52904, 79356, 98806, 148209, 158712, 197612, 296418, 395224, 592836, 839851, 1185672, 1679702, 2519553, 3359404, 5039106, 6718808, 10078212, 20156424]

約数ペア:

[(1, 20156424), (2, 10078212), (3, 6718808), (4, 5039106), (6, 3359404), (8, 2519553), (12, 1679702), (17, 1185672), (24, 839851), (34, 592836), (51, 395224), (68, 296418), (102, 197612), (127, 158712), (136, 148209), (204, 98806), (254, 79356), (381, 52904), (389, 51816), (408, 49403), (508, 39678), (762, 26452), (778, 25908), (1016, 19839), (1167, 17272), (1524, 13226), (1556, 12954), (2159, 9336), (2334, 8636), (3048, 6613), (3112, 6477), (4318, 4668)]