20179194

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 47941632

約数和(自身を除く): 27762438

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 71, 101, 134, 142, 201, 202, 213, 303, 402, 426, 469, 497, 606, 707, 938, 994, 1407, 1414, 1491, 2121, 2814, 2982, 4242, 4757, 6767, 7171, 9514, 13534, 14271, 14342, 20301, 21513, 28542, 33299, 40602, 43026, 47369, 50197, 66598, 94738, 99897, 100394, 142107, 150591, 199794, 284214, 301182, 480457, 960914, 1441371, 2882742, 3363199, 6726398, 10089597, 20179194]

約数ペア:

[(1, 20179194), (2, 10089597), (3, 6726398), (6, 3363199), (7, 2882742), (14, 1441371), (21, 960914), (42, 480457), (67, 301182), (71, 284214), (101, 199794), (134, 150591), (142, 142107), (201, 100394), (202, 99897), (213, 94738), (303, 66598), (402, 50197), (426, 47369), (469, 43026), (497, 40602), (606, 33299), (707, 28542), (938, 21513), (994, 20301), (1407, 14342), (1414, 14271), (1491, 13534), (2121, 9514), (2814, 7171), (2982, 6767), (4242, 4757)]