20408925316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1\times {\mathrm{23447}}^1$

素因数の和:24364

約数の個数: 48

約数和(自身を含む): 40535026560

約数和(自身を除く): 20126101244

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 881, 988, 1762, 3524, 11453, 16739, 22906, 23447, 33478, 45812, 46894, 66956, 93788, 217607, 304811, 435214, 445493, 609622, 870428, 890986, 1219244, 1781972, 5791409, 11582818, 20656807, 23165636, 41313614, 82627228, 268538491, 392479333, 537076982, 784958666, 1074153964, 1569917332, 5102231329, 10204462658, 20408925316]

約数ペア:

[(1, 20408925316), (2, 10204462658), (4, 5102231329), (13, 1569917332), (19, 1074153964), (26, 784958666), (38, 537076982), (52, 392479333), (76, 268538491), (247, 82627228), (494, 41313614), (881, 23165636), (988, 20656807), (1762, 11582818), (3524, 5791409), (11453, 1781972), (16739, 1219244), (22906, 890986), (23447, 870428), (33478, 609622), (45812, 445493), (46894, 435214), (66956, 304811), (93788, 217607)]