20631688

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33493}}^1$

素因数の和:33517

約数の個数: 32

約数和(自身を含む): 48231360

約数和(自身を除く): 27599672

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33493, 66986, 133972, 234451, 267944, 368423, 468902, 736846, 937804, 1473692, 1875608, 2578961, 2947384, 5157922, 10315844, 20631688]

約数ペア:

[(1, 20631688), (2, 10315844), (4, 5157922), (7, 2947384), (8, 2578961), (11, 1875608), (14, 1473692), (22, 937804), (28, 736846), (44, 468902), (56, 368423), (77, 267944), (88, 234451), (154, 133972), (308, 66986), (616, 33493)]