20044010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 23294230

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 71, 74, 109, 142, 185, 218, 259, 355, 370, 497, 518, 545, 710, 763, 994, 1090, 1295, 1526, 2485, 2590, 2627, 3815, 4033, 4970, 5254, 7630, 7739, 8066, 13135, 15478, 18389, 20165, 26270, 28231, 36778, 38695, 40330, 54173, 56462, 77390, 91945, 108346, 141155, 183890, 270865, 282310, 286343, 541730, 572686, 1431715, 2004401, 2863430, 4008802, 10022005, 20044010]

約数ペア:

[(1, 20044010), (2, 10022005), (5, 4008802), (7, 2863430), (10, 2004401), (14, 1431715), (35, 572686), (37, 541730), (70, 286343), (71, 282310), (74, 270865), (109, 183890), (142, 141155), (185, 108346), (218, 91945), (259, 77390), (355, 56462), (370, 54173), (497, 40330), (518, 38695), (545, 36778), (710, 28231), (763, 26270), (994, 20165), (1090, 18389), (1295, 15478), (1526, 13135), (2485, 8066), (2590, 7739), (2627, 7630), (3815, 5254), (4033, 4970)]