20833134

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28933266

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 53, 98, 106, 147, 159, 191, 294, 318, 343, 371, 382, 573, 686, 742, 1029, 1113, 1146, 1337, 2058, 2226, 2597, 2674, 4011, 5194, 7791, 8022, 9359, 10123, 15582, 18179, 18718, 20246, 28077, 30369, 36358, 54537, 56154, 60738, 65513, 70861, 109074, 131026, 141722, 196539, 212583, 393078, 425166, 496027, 992054, 1488081, 2976162, 3472189, 6944378, 10416567, 20833134]

約数ペア:

[(1, 20833134), (2, 10416567), (3, 6944378), (6, 3472189), (7, 2976162), (14, 1488081), (21, 992054), (42, 496027), (49, 425166), (53, 393078), (98, 212583), (106, 196539), (147, 141722), (159, 131026), (191, 109074), (294, 70861), (318, 65513), (343, 60738), (371, 56154), (382, 54537), (573, 36358), (686, 30369), (742, 28077), (1029, 20246), (1113, 18718), (1146, 18179), (1337, 15582), (2058, 10123), (2226, 9359), (2597, 8022), (2674, 7791), (4011, 5194)]