20055705

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 33022080

約数和(自身を除く): 12966375

約数列:

[1, 3, 5, 15, 83, 89, 181, 249, 267, 415, 445, 543, 905, 1245, 1335, 2715, 7387, 15023, 16109, 22161, 36935, 45069, 48327, 75115, 80545, 110805, 225345, 241635, 1337047, 4011141, 6685235, 20055705]

約数ペア:

[(1, 20055705), (3, 6685235), (5, 4011141), (15, 1337047), (83, 241635), (89, 225345), (181, 110805), (249, 80545), (267, 75115), (415, 48327), (445, 45069), (543, 36935), (905, 22161), (1245, 16109), (1335, 15023), (2715, 7387)]