20536703680

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{64891}}^1$

素因数の和:64974

約数の個数: 112

約数和(自身を含む): 52216775424

約数和(自身を除く): 31680071744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 64, 80, 86, 92, 115, 160, 172, 184, 215, 230, 320, 344, 368, 430, 460, 688, 736, 860, 920, 989, 1376, 1472, 1720, 1840, 1978, 2752, 3440, 3680, 3956, 4945, 6880, 7360, 7912, 9890, 13760, 15824, 19780, 31648, 39560, 63296, 64891, 79120, 129782, 158240, 259564, 316480, 324455, 519128, 648910, 1038256, 1297820, 1492493, 2076512, 2595640, 2790313, 2984986, 4153024, 5191280, 5580626, 5969972, 7462465, 10382560, 11161252, 11939944, 13951565, 14924930, 20765120, 22322504, 23879888, 27903130, 29849860, 44645008, 47759776, 55806260, 59699720, 64177199, 89290016, 95519552, 111612520, 119399440, 128354398, 178580032, 223225040, 238798880, 256708796, 320885995, 446450080, 477597760, 513417592, 641771990, 892900160, 1026835184, 1283543980, 2053670368, 2567087960, 4107340736, 5134175920, 10268351840, 20536703680]

約数ペア:

[(1, 20536703680), (2, 10268351840), (4, 5134175920), (5, 4107340736), (8, 2567087960), (10, 2053670368), (16, 1283543980), (20, 1026835184), (23, 892900160), (32, 641771990), (40, 513417592), (43, 477597760), (46, 446450080), (64, 320885995), (80, 256708796), (86, 238798880), (92, 223225040), (115, 178580032), (160, 128354398), (172, 119399440), (184, 111612520), (215, 95519552), (230, 89290016), (320, 64177199), (344, 59699720), (368, 55806260), (430, 47759776), (460, 44645008), (688, 29849860), (736, 27903130), (860, 23879888), (920, 22322504), (989, 20765120), (1376, 14924930), (1472, 13951565), (1720, 11939944), (1840, 11161252), (1978, 10382560), (2752, 7462465), (3440, 5969972), (3680, 5580626), (3956, 5191280), (4945, 4153024), (6880, 2984986), (7360, 2790313), (7912, 2595640), (9890, 2076512), (13760, 1492493), (15824, 1297820), (19780, 1038256), (31648, 648910), (39560, 519128), (63296, 324455), (64891, 316480), (79120, 259564), (129782, 158240)]