20327308

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 40388544

約数和(自身を除く): 20061236

約数列:

[1, 2, 4, 17, 23, 34, 41, 46, 68, 82, 92, 164, 317, 391, 634, 697, 782, 943, 1268, 1394, 1564, 1886, 2788, 3772, 5389, 7291, 10778, 12997, 14582, 16031, 21556, 25994, 29164, 32062, 51988, 64124, 123947, 220949, 247894, 298931, 441898, 495788, 597862, 883796, 1195724, 5081827, 10163654, 20327308]

約数ペア:

[(1, 20327308), (2, 10163654), (4, 5081827), (17, 1195724), (23, 883796), (34, 597862), (41, 495788), (46, 441898), (68, 298931), (82, 247894), (92, 220949), (164, 123947), (317, 64124), (391, 51988), (634, 32062), (697, 29164), (782, 25994), (943, 21556), (1268, 16031), (1394, 14582), (1564, 12997), (1886, 10778), (2788, 7291), (3772, 5389)]