20128123556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{3041}}^1$

素因数の和:3237

約数の個数: 96

約数和(自身を含む): 40475635200

約数和(自身を除く): 20347511644

約数列:

[1, 2, 4, 17, 19, 34, 38, 47, 68, 76, 94, 109, 188, 218, 323, 436, 646, 799, 893, 1292, 1598, 1786, 1853, 2071, 3041, 3196, 3572, 3706, 4142, 5123, 6082, 7412, 8284, 10246, 12164, 15181, 20492, 30362, 35207, 51697, 57779, 60724, 70414, 87091, 97337, 103394, 115558, 140828, 142927, 174182, 194674, 206788, 231116, 285854, 331469, 348364, 389348, 571708, 662938, 982243, 1325876, 1654729, 1964486, 2429759, 2715613, 3309458, 3928972, 4859518, 5431226, 5634973, 6297911, 6618916, 9719036, 10862452, 11269946, 12595822, 15579043, 22539892, 25191644, 31158086, 46165421, 62316172, 92330842, 107064487, 184661684, 214128974, 264843731, 296001817, 428257948, 529687462, 592003634, 1059374924, 1184007268, 5032030889, 10064061778, 20128123556]

約数ペア:

[(1, 20128123556), (2, 10064061778), (4, 5032030889), (17, 1184007268), (19, 1059374924), (34, 592003634), (38, 529687462), (47, 428257948), (68, 296001817), (76, 264843731), (94, 214128974), (109, 184661684), (188, 107064487), (218, 92330842), (323, 62316172), (436, 46165421), (646, 31158086), (799, 25191644), (893, 22539892), (1292, 15579043), (1598, 12595822), (1786, 11269946), (1853, 10862452), (2071, 9719036), (3041, 6618916), (3196, 6297911), (3572, 5634973), (3706, 5431226), (4142, 4859518), (5123, 3928972), (6082, 3309458), (7412, 2715613), (8284, 2429759), (10246, 1964486), (12164, 1654729), (15181, 1325876), (20492, 982243), (30362, 662938), (35207, 571708), (51697, 389348), (57779, 348364), (60724, 331469), (70414, 285854), (87091, 231116), (97337, 206788), (103394, 194674), (115558, 174182), (140828, 142927)]