20815854

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{2293}}^1$

素因数の和:2404

約数の個数: 32

約数和(自身を含む): 44595360

約数和(自身を除く): 23779506

約数列:

[1, 2, 3, 6, 17, 34, 51, 89, 102, 178, 267, 534, 1513, 2293, 3026, 4539, 4586, 6879, 9078, 13758, 38981, 77962, 116943, 204077, 233886, 408154, 612231, 1224462, 3469309, 6938618, 10407927, 20815854]

約数ペア:

[(1, 20815854), (2, 10407927), (3, 6938618), (6, 3469309), (17, 1224462), (34, 612231), (51, 408154), (89, 233886), (102, 204077), (178, 116943), (267, 77962), (534, 38981), (1513, 13758), (2293, 9078), (3026, 6879), (4539, 4586)]