20219923916

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{8171}}^1$

素因数の和:8486

約数の個数: 48

約数和(自身を含む): 36903444480

約数和(自身を除く): 16683520564

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 191, 316, 382, 764, 3239, 6478, 7831, 8171, 12956, 15089, 15662, 16342, 30178, 31324, 32684, 60356, 335011, 618649, 645509, 670022, 1237298, 1291018, 1340044, 1560661, 2474596, 2582036, 3121322, 6242644, 26465869, 52931738, 63987101, 105863476, 123292219, 127974202, 246584438, 255948404, 493168876, 5054980979, 10109961958, 20219923916]

約数ペア:

[(1, 20219923916), (2, 10109961958), (4, 5054980979), (41, 493168876), (79, 255948404), (82, 246584438), (158, 127974202), (164, 123292219), (191, 105863476), (316, 63987101), (382, 52931738), (764, 26465869), (3239, 6242644), (6478, 3121322), (7831, 2582036), (8171, 2474596), (12956, 1560661), (15089, 1340044), (15662, 1291018), (16342, 1237298), (30178, 670022), (31324, 645509), (32684, 618649), (60356, 335011)]