20164737560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1992563}}^1$

素因数の和:1992608

約数の個数: 64

約数和(自身を含む): 51647258880

約数和(自身を除く): 31482521320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 1992563, 3985126, 7970252, 9962815, 15940504, 19925630, 21918193, 39851260, 43836386, 45828949, 79702520, 87672772, 91657898, 109590965, 175345544, 183315796, 219181930, 229144745, 366631592, 438363860, 458289490, 504118439, 876727720, 916578980, 1008236878, 1833157960, 2016473756, 2520592195, 4032947512, 5041184390, 10082368780, 20164737560]

約数ペア:

[(1, 20164737560), (2, 10082368780), (4, 5041184390), (5, 4032947512), (8, 2520592195), (10, 2016473756), (11, 1833157960), (20, 1008236878), (22, 916578980), (23, 876727720), (40, 504118439), (44, 458289490), (46, 438363860), (55, 366631592), (88, 229144745), (92, 219181930), (110, 183315796), (115, 175345544), (184, 109590965), (220, 91657898), (230, 87672772), (253, 79702520), (440, 45828949), (460, 43836386), (506, 39851260), (920, 21918193), (1012, 19925630), (1265, 15940504), (2024, 9962815), (2530, 7970252), (5060, 3985126), (10120, 1992563)]