20199755980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2583089}}^1$

素因数の和:2583138

約数の個数: 48

約数和(自身を含む): 46867584960

約数和(自身を除く): 26667828980

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 2583089, 5166178, 10332356, 12915445, 25830890, 43912513, 51661780, 59411047, 87825026, 118822094, 175650052, 219562565, 237644188, 297055235, 439125130, 594110470, 878250260, 1009987799, 1188220940, 2019975598, 4039951196, 5049938995, 10099877990, 20199755980]

約数ペア:

[(1, 20199755980), (2, 10099877990), (4, 5049938995), (5, 4039951196), (10, 2019975598), (17, 1188220940), (20, 1009987799), (23, 878250260), (34, 594110470), (46, 439125130), (68, 297055235), (85, 237644188), (92, 219562565), (115, 175650052), (170, 118822094), (230, 87825026), (340, 59411047), (391, 51661780), (460, 43912513), (782, 25830890), (1564, 12915445), (1955, 10332356), (3910, 5166178), (7820, 2583089)]