20393586

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 47606400

約数和(自身を除く): 27212814

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 59, 74, 111, 118, 173, 177, 222, 333, 346, 354, 519, 531, 666, 999, 1038, 1062, 1557, 1593, 1998, 2183, 3114, 3186, 4366, 4671, 6401, 6549, 9342, 10207, 12802, 13098, 19203, 19647, 20414, 30621, 38406, 39294, 57609, 58941, 61242, 91863, 115218, 117882, 172827, 183726, 275589, 345654, 377659, 551178, 755318, 1132977, 2265954, 3398931, 6797862, 10196793, 20393586]

約数ペア:

[(1, 20393586), (2, 10196793), (3, 6797862), (6, 3398931), (9, 2265954), (18, 1132977), (27, 755318), (37, 551178), (54, 377659), (59, 345654), (74, 275589), (111, 183726), (118, 172827), (173, 117882), (177, 115218), (222, 91863), (333, 61242), (346, 58941), (354, 57609), (519, 39294), (531, 38406), (666, 30621), (999, 20414), (1038, 19647), (1062, 19203), (1557, 13098), (1593, 12802), (1998, 10207), (2183, 9342), (3114, 6549), (3186, 6401), (4366, 4671)]