20443710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1453}}^1$

素因数の和:1537

約数の個数: 64

約数和(自身を含む): 56950272

約数和(自身を除く): 36506562

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 67, 70, 105, 134, 201, 210, 335, 402, 469, 670, 938, 1005, 1407, 1453, 2010, 2345, 2814, 2906, 4359, 4690, 7035, 7265, 8718, 10171, 14070, 14530, 20342, 21795, 30513, 43590, 50855, 61026, 97351, 101710, 152565, 194702, 292053, 305130, 486755, 584106, 681457, 973510, 1362914, 1460265, 2044371, 2920530, 3407285, 4088742, 6814570, 10221855, 20443710]

約数ペア:

[(1, 20443710), (2, 10221855), (3, 6814570), (5, 4088742), (6, 3407285), (7, 2920530), (10, 2044371), (14, 1460265), (15, 1362914), (21, 973510), (30, 681457), (35, 584106), (42, 486755), (67, 305130), (70, 292053), (105, 194702), (134, 152565), (201, 101710), (210, 97351), (335, 61026), (402, 50855), (469, 43590), (670, 30513), (938, 21795), (1005, 20342), (1407, 14530), (1453, 14070), (2010, 10171), (2345, 8718), (2814, 7265), (2906, 7035), (4359, 4690)]