20397912

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{13933}}^1$

素因数の和:14003

約数の個数: 32

約数和(自身を含む): 51834480

約数和(自身を除く): 31436568

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 13933, 27866, 41799, 55732, 83598, 111464, 167196, 334392, 849913, 1699826, 2549739, 3399652, 5099478, 6799304, 10198956, 20397912]

約数ペア:

[(1, 20397912), (2, 10198956), (3, 6799304), (4, 5099478), (6, 3399652), (8, 2549739), (12, 1699826), (24, 849913), (61, 334392), (122, 167196), (183, 111464), (244, 83598), (366, 55732), (488, 41799), (732, 27866), (1464, 13933)]