20356476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3617}}^1$

素因数の和:3698

約数の個数: 48

約数和(自身を含む): 55109376

約数和(自身を除く): 34752900

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3617, 5628, 7234, 10851, 14468, 21702, 25319, 43404, 50638, 75957, 101276, 151914, 242339, 303828, 484678, 727017, 969356, 1454034, 1696373, 2908068, 3392746, 5089119, 6785492, 10178238, 20356476]

約数ペア:

[(1, 20356476), (2, 10178238), (3, 6785492), (4, 5089119), (6, 3392746), (7, 2908068), (12, 1696373), (14, 1454034), (21, 969356), (28, 727017), (42, 484678), (67, 303828), (84, 242339), (134, 151914), (201, 101276), (268, 75957), (402, 50638), (469, 43404), (804, 25319), (938, 21702), (1407, 14468), (1876, 10851), (2814, 7234), (3617, 5628)]