20499681228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{8191}}^1$

素因数の和:8535

約数の個数: 96

約数和(自身を含む): 52561969152

約数和(自身を除く): 32062287924

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 263, 366, 526, 732, 789, 793, 1052, 1578, 1586, 2379, 3156, 3172, 3419, 4758, 6838, 8191, 9516, 10257, 13676, 16043, 16382, 20514, 24573, 32086, 32764, 41028, 48129, 49146, 64172, 96258, 98292, 106483, 192516, 208559, 212966, 319449, 417118, 425932, 499651, 625677, 638898, 834236, 999302, 1251354, 1277796, 1498953, 1998604, 2154233, 2502708, 2997906, 4308466, 5995812, 6462699, 6495463, 8616932, 12925398, 12990926, 19486389, 25850796, 25981852, 28005029, 38972778, 56010058, 77945556, 84015087, 112020116, 131408213, 168030174, 262816426, 336060348, 394224639, 525632852, 788449278, 1576898556, 1708306769, 3416613538, 5124920307, 6833227076, 10249840614, 20499681228]

約数ペア:

[(1, 20499681228), (2, 10249840614), (3, 6833227076), (4, 5124920307), (6, 3416613538), (12, 1708306769), (13, 1576898556), (26, 788449278), (39, 525632852), (52, 394224639), (61, 336060348), (78, 262816426), (122, 168030174), (156, 131408213), (183, 112020116), (244, 84015087), (263, 77945556), (366, 56010058), (526, 38972778), (732, 28005029), (789, 25981852), (793, 25850796), (1052, 19486389), (1578, 12990926), (1586, 12925398), (2379, 8616932), (3156, 6495463), (3172, 6462699), (3419, 5995812), (4758, 4308466), (6838, 2997906), (8191, 2502708), (9516, 2154233), (10257, 1998604), (13676, 1498953), (16043, 1277796), (16382, 1251354), (20514, 999302), (24573, 834236), (32086, 638898), (32764, 625677), (41028, 499651), (48129, 425932), (49146, 417118), (64172, 319449), (96258, 212966), (98292, 208559), (106483, 192516)]