20318254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 34610400

約数和(自身を除く): 14292146

約数列:

[1, 2, 11, 22, 37, 74, 109, 218, 229, 407, 458, 814, 1199, 2398, 2519, 4033, 5038, 8066, 8473, 16946, 24961, 44363, 49922, 88726, 93203, 186406, 274571, 549142, 923557, 1847114, 10159127, 20318254]

約数ペア:

[(1, 20318254), (2, 10159127), (11, 1847114), (22, 923557), (37, 549142), (74, 274571), (109, 186406), (218, 93203), (229, 88726), (407, 49922), (458, 44363), (814, 24961), (1199, 16946), (2398, 8473), (2519, 8066), (4033, 5038)]