20178562866

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1\times {\mathrm{659}}^1$

素因数の和:1220

約数の個数: 128

約数和(自身を含む): 50801541120

約数和(自身を除く): 30622978254

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 191, 231, 347, 382, 462, 573, 659, 694, 1041, 1146, 1318, 1337, 1977, 2082, 2101, 2429, 2674, 3817, 3954, 4011, 4202, 4613, 4858, 6303, 7249, 7287, 7634, 8022, 9226, 11451, 12606, 13839, 14498, 14574, 14707, 21747, 22902, 26719, 27678, 29414, 43494, 44121, 50743, 53438, 66277, 80157, 88242, 101486, 125869, 132554, 152229, 160314, 198831, 228673, 251738, 304458, 377607, 397662, 457346, 463939, 686019, 729047, 755214, 881083, 927878, 1372038, 1384559, 1391817, 1458094, 1600711, 1762166, 2187141, 2515403, 2643249, 2769118, 2783634, 3201422, 4153677, 4374282, 4802133, 5030806, 5103329, 5286498, 7546209, 8307354, 9604266, 9691913, 10206658, 15092418, 15309987, 17607821, 19383826, 29075739, 30619974, 35215642, 43676543, 52823463, 58151478, 87353086, 105646926, 131029629, 262059258, 305735801, 480441973, 611471602, 917207403, 960883946, 1441325919, 1834414806, 2882651838, 3363093811, 6726187622, 10089281433, 20178562866]

約数ペア:

[(1, 20178562866), (2, 10089281433), (3, 6726187622), (6, 3363093811), (7, 2882651838), (11, 1834414806), (14, 1441325919), (21, 960883946), (22, 917207403), (33, 611471602), (42, 480441973), (66, 305735801), (77, 262059258), (154, 131029629), (191, 105646926), (231, 87353086), (347, 58151478), (382, 52823463), (462, 43676543), (573, 35215642), (659, 30619974), (694, 29075739), (1041, 19383826), (1146, 17607821), (1318, 15309987), (1337, 15092418), (1977, 10206658), (2082, 9691913), (2101, 9604266), (2429, 8307354), (2674, 7546209), (3817, 5286498), (3954, 5103329), (4011, 5030806), (4202, 4802133), (4613, 4374282), (4858, 4153677), (6303, 3201422), (7249, 2783634), (7287, 2769118), (7634, 2643249), (8022, 2515403), (9226, 2187141), (11451, 1762166), (12606, 1600711), (13839, 1458094), (14498, 1391817), (14574, 1384559), (14707, 1372038), (21747, 927878), (22902, 881083), (26719, 755214), (27678, 729047), (29414, 686019), (43494, 463939), (44121, 457346), (50743, 397662), (53438, 377607), (66277, 304458), (80157, 251738), (88242, 228673), (101486, 198831), (125869, 160314), (132554, 152229)]