20366752

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:474

約数の個数: 72

約数和(自身を含む): 48263040

約数和(自身を除く): 27896288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 392, 419, 434, 496, 784, 838, 868, 992, 1519, 1568, 1676, 1736, 2933, 3038, 3352, 3472, 5866, 6076, 6704, 6944, 11732, 12152, 12989, 13408, 20531, 23464, 24304, 25978, 41062, 46928, 48608, 51956, 82124, 90923, 93856, 103912, 164248, 181846, 207824, 328496, 363692, 415648, 636461, 656992, 727384, 1272922, 1454768, 2545844, 2909536, 5091688, 10183376, 20366752]

約数ペア:

[(1, 20366752), (2, 10183376), (4, 5091688), (7, 2909536), (8, 2545844), (14, 1454768), (16, 1272922), (28, 727384), (31, 656992), (32, 636461), (49, 415648), (56, 363692), (62, 328496), (98, 207824), (112, 181846), (124, 164248), (196, 103912), (217, 93856), (224, 90923), (248, 82124), (392, 51956), (419, 48608), (434, 46928), (496, 41062), (784, 25978), (838, 24304), (868, 23464), (992, 20531), (1519, 13408), (1568, 12989), (1676, 12152), (1736, 11732), (2933, 6944), (3038, 6704), (3352, 6076), (3472, 5866)]