20215051312

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{2293}}^1$

素因数の和:2582

約数の個数: 80

約数和(自身を含む): 40859259840

約数和(自身を除く): 20644208528

約数列:

[1, 2, 4, 8, 16, 41, 82, 89, 151, 164, 178, 302, 328, 356, 604, 656, 712, 1208, 1424, 2293, 2416, 3649, 4586, 6191, 7298, 9172, 12382, 13439, 14596, 18344, 24764, 26878, 29192, 36688, 49528, 53756, 58384, 94013, 99056, 107512, 188026, 204077, 215024, 346243, 376052, 408154, 550999, 692486, 752104, 816308, 1101998, 1384972, 1504208, 1632616, 2203996, 2769944, 3265232, 4407992, 5539888, 8367157, 8815984, 14195963, 16734314, 28391926, 30815627, 33468628, 56783852, 61631254, 66937256, 113567704, 123262508, 133874512, 227135408, 246525016, 493050032, 1263440707, 2526881414, 5053762828, 10107525656, 20215051312]

約数ペア:

[(1, 20215051312), (2, 10107525656), (4, 5053762828), (8, 2526881414), (16, 1263440707), (41, 493050032), (82, 246525016), (89, 227135408), (151, 133874512), (164, 123262508), (178, 113567704), (302, 66937256), (328, 61631254), (356, 56783852), (604, 33468628), (656, 30815627), (712, 28391926), (1208, 16734314), (1424, 14195963), (2293, 8815984), (2416, 8367157), (3649, 5539888), (4586, 4407992), (6191, 3265232), (7298, 2769944), (9172, 2203996), (12382, 1632616), (13439, 1504208), (14596, 1384972), (18344, 1101998), (24764, 816308), (26878, 752104), (29192, 692486), (36688, 550999), (49528, 408154), (53756, 376052), (58384, 346243), (94013, 215024), (99056, 204077), (107512, 188026)]