20030216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4751}}^1$

素因数の和:4805

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 21027064

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4751, 9502, 19004, 38008, 80767, 147281, 161534, 294562, 323068, 589124, 646136, 1178248, 2503777, 5007554, 10015108, 20030216]

約数ペア:

[(1, 20030216), (2, 10015108), (4, 5007554), (8, 2503777), (17, 1178248), (31, 646136), (34, 589124), (62, 323068), (68, 294562), (124, 161534), (136, 147281), (248, 80767), (527, 38008), (1054, 19004), (2108, 9502), (4216, 4751)]