20010340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3863}}^1$

素因数の和:3916

約数の個数: 48

約数和(自身を含む): 49335552

約数和(自身を除く): 29325212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3863, 5180, 7726, 15452, 19315, 27041, 38630, 54082, 77260, 108164, 135205, 142931, 270410, 285862, 540820, 571724, 714655, 1000517, 1429310, 2001034, 2858620, 4002068, 5002585, 10005170, 20010340]

約数ペア:

[(1, 20010340), (2, 10005170), (4, 5002585), (5, 4002068), (7, 2858620), (10, 2001034), (14, 1429310), (20, 1000517), (28, 714655), (35, 571724), (37, 540820), (70, 285862), (74, 270410), (140, 142931), (148, 135205), (185, 108164), (259, 77260), (370, 54082), (518, 38630), (740, 27041), (1036, 19315), (1295, 15452), (2590, 7726), (3863, 5180)]