20656514687536

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30829}}^1\times {\mathrm{460189}}^1$

素因数の和:491046

約数の個数: 80

約数和(自身を含む): 49259547534400

約数和(自身を除く): 28603032846864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 30829, 61658, 123316, 215803, 246632, 400777, 431606, 460189, 493264, 801554, 863212, 920378, 1603108, 1726424, 1840756, 2805439, 3206216, 3221323, 3452848, 3681512, 5610878, 5982457, 6412432, 6442646, 7363024, 11221756, 11964914, 12885292, 22443512, 23929828, 25770584, 41877199, 44887024, 47859656, 51541168, 83754398, 95719312, 167508796, 335017592, 670035184, 14187166681, 28374333362, 56748666724, 99310166767, 113497333448, 184433166853, 198620333534, 226994666896, 368866333706, 397240667068, 737732667412, 794481334136, 1291032167971, 1475465334824, 1588962668272, 2582064335942, 2950930669648, 5164128671884, 10328257343768, 20656514687536]

約数ペア:

[(1, 20656514687536), (2, 10328257343768), (4, 5164128671884), (7, 2950930669648), (8, 2582064335942), (13, 1588962668272), (14, 1475465334824), (16, 1291032167971), (26, 794481334136), (28, 737732667412), (52, 397240667068), (56, 368866333706), (91, 226994666896), (104, 198620333534), (112, 184433166853), (182, 113497333448), (208, 99310166767), (364, 56748666724), (728, 28374333362), (1456, 14187166681), (30829, 670035184), (61658, 335017592), (123316, 167508796), (215803, 95719312), (246632, 83754398), (400777, 51541168), (431606, 47859656), (460189, 44887024), (493264, 41877199), (801554, 25770584), (863212, 23929828), (920378, 22443512), (1603108, 12885292), (1726424, 11964914), (1840756, 11221756), (2805439, 7363024), (3206216, 6442646), (3221323, 6412432), (3452848, 5982457), (3681512, 5610878)]