20852744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 46189440

約数和(自身を除く): 25336696

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 53, 68, 88, 106, 136, 187, 212, 263, 374, 424, 526, 583, 748, 901, 1052, 1166, 1496, 1802, 2104, 2332, 2893, 3604, 4471, 4664, 5786, 7208, 8942, 9911, 11572, 13939, 17884, 19822, 23144, 27878, 35768, 39644, 49181, 55756, 79288, 98362, 111512, 153329, 196724, 236963, 306658, 393448, 473926, 613316, 947852, 1226632, 1895704, 2606593, 5213186, 10426372, 20852744]

約数ペア:

[(1, 20852744), (2, 10426372), (4, 5213186), (8, 2606593), (11, 1895704), (17, 1226632), (22, 947852), (34, 613316), (44, 473926), (53, 393448), (68, 306658), (88, 236963), (106, 196724), (136, 153329), (187, 111512), (212, 98362), (263, 79288), (374, 55756), (424, 49181), (526, 39644), (583, 35768), (748, 27878), (901, 23144), (1052, 19822), (1166, 17884), (1496, 13939), (1802, 11572), (2104, 9911), (2332, 8942), (2893, 7208), (3604, 5786), (4471, 4664)]