20387214

素因数分解:

$2^1\times 3^7\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 47232000

約数和(自身を除く): 26844786

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 79, 81, 118, 158, 162, 177, 237, 243, 354, 474, 486, 531, 711, 729, 1062, 1422, 1458, 1593, 2133, 2187, 3186, 4266, 4374, 4661, 4779, 6399, 9322, 9558, 12798, 13983, 14337, 19197, 27966, 28674, 38394, 41949, 43011, 57591, 83898, 86022, 115182, 125847, 129033, 172773, 251694, 258066, 345546, 377541, 755082, 1132623, 2265246, 3397869, 6795738, 10193607, 20387214]

約数ペア:

[(1, 20387214), (2, 10193607), (3, 6795738), (6, 3397869), (9, 2265246), (18, 1132623), (27, 755082), (54, 377541), (59, 345546), (79, 258066), (81, 251694), (118, 172773), (158, 129033), (162, 125847), (177, 115182), (237, 86022), (243, 83898), (354, 57591), (474, 43011), (486, 41949), (531, 38394), (711, 28674), (729, 27966), (1062, 19197), (1422, 14337), (1458, 13983), (1593, 12798), (2133, 9558), (2187, 9322), (3186, 6399), (4266, 4779), (4374, 4661)]