20495632

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 41347800

約数和(自身を除く): 20852168

約数列:

[1, 2, 4, 8, 16, 37, 74, 89, 148, 178, 296, 356, 389, 592, 712, 778, 1424, 1556, 3112, 3293, 6224, 6586, 13172, 14393, 26344, 28786, 34621, 52688, 57572, 69242, 115144, 138484, 230288, 276968, 553936, 1280977, 2561954, 5123908, 10247816, 20495632]

約数ペア:

[(1, 20495632), (2, 10247816), (4, 5123908), (8, 2561954), (16, 1280977), (37, 553936), (74, 276968), (89, 230288), (148, 138484), (178, 115144), (296, 69242), (356, 57572), (389, 52688), (592, 34621), (712, 28786), (778, 26344), (1424, 14393), (1556, 13172), (3112, 6586), (3293, 6224)]