20672538

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2539}}^1$

素因数の和:2626

約数の個数: 32

約数和(自身を含む): 43891200

約数和(自身を除く): 23218662

約数列:

[1, 2, 3, 6, 23, 46, 59, 69, 118, 138, 177, 354, 1357, 2539, 2714, 4071, 5078, 7617, 8142, 15234, 58397, 116794, 149801, 175191, 299602, 350382, 449403, 898806, 3445423, 6890846, 10336269, 20672538]

約数ペア:

[(1, 20672538), (2, 10336269), (3, 6890846), (6, 3445423), (23, 898806), (46, 449403), (59, 350382), (69, 299602), (118, 175191), (138, 149801), (177, 116794), (354, 58397), (1357, 15234), (2539, 8142), (2714, 7617), (4071, 5078)]