20219068

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 36

約数和(自身を含む): 37823296

約数和(自身を除く): 17604228

約数列:

[1, 2, 4, 31, 41, 62, 82, 97, 124, 164, 194, 388, 1271, 1681, 2542, 3007, 3362, 3977, 5084, 6014, 6724, 7954, 12028, 15908, 52111, 104222, 123287, 163057, 208444, 246574, 326114, 493148, 652228, 5054767, 10109534, 20219068]

約数ペア:

[(1, 20219068), (2, 10109534), (4, 5054767), (31, 652228), (41, 493148), (62, 326114), (82, 246574), (97, 208444), (124, 163057), (164, 123287), (194, 104222), (388, 52111), (1271, 15908), (1681, 12028), (2542, 7954), (3007, 6724), (3362, 6014), (3977, 5084)]