20443146

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 25176054

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 59, 79, 86, 102, 118, 129, 158, 177, 237, 258, 354, 474, 731, 1003, 1343, 1462, 2006, 2193, 2537, 2686, 3009, 3397, 4029, 4386, 4661, 5074, 6018, 6794, 7611, 8058, 9322, 10191, 13983, 15222, 20382, 27966, 43129, 57749, 79237, 86258, 115498, 129387, 158474, 173247, 200423, 237711, 258774, 346494, 400846, 475422, 601269, 1202538, 3407191, 6814382, 10221573, 20443146]

約数ペア:

[(1, 20443146), (2, 10221573), (3, 6814382), (6, 3407191), (17, 1202538), (34, 601269), (43, 475422), (51, 400846), (59, 346494), (79, 258774), (86, 237711), (102, 200423), (118, 173247), (129, 158474), (158, 129387), (177, 115498), (237, 86258), (258, 79237), (354, 57749), (474, 43129), (731, 27966), (1003, 20382), (1343, 15222), (1462, 13983), (2006, 10191), (2193, 9322), (2537, 8058), (2686, 7611), (3009, 6794), (3397, 6018), (4029, 5074), (4386, 4661)]