20192479425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{11273}}^1$

素因数の和:11727

約数の個数: 72

約数和(自身を含む): 38164744800

約数和(自身を除く): 17972265375

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 419, 475, 855, 1257, 1425, 2095, 3771, 4275, 6285, 7961, 10475, 11273, 18855, 23883, 31425, 33819, 39805, 56365, 71649, 94275, 101457, 119415, 169095, 199025, 214187, 281825, 358245, 507285, 597075, 642561, 845475, 1070935, 1791225, 1927683, 2536425, 3212805, 4723387, 5354675, 9638415, 14170161, 16064025, 23616935, 42510483, 48192075, 70850805, 89744353, 118084675, 212552415, 269233059, 354254025, 448721765, 807699177, 1062762075, 1346165295, 2243608825, 4038495885, 6730826475, 20192479425]

約数ペア:

[(1, 20192479425), (3, 6730826475), (5, 4038495885), (9, 2243608825), (15, 1346165295), (19, 1062762075), (25, 807699177), (45, 448721765), (57, 354254025), (75, 269233059), (95, 212552415), (171, 118084675), (225, 89744353), (285, 70850805), (419, 48192075), (475, 42510483), (855, 23616935), (1257, 16064025), (1425, 14170161), (2095, 9638415), (3771, 5354675), (4275, 4723387), (6285, 3212805), (7961, 2536425), (10475, 1927683), (11273, 1791225), (18855, 1070935), (23883, 845475), (31425, 642561), (33819, 597075), (39805, 507285), (56365, 358245), (71649, 281825), (94275, 214187), (101457, 199025), (119415, 169095)]