20819368

素因数分解:

$2^3\times {\mathrm{373}}^1\times {\mathrm{6977}}^1$

素因数の和:7356

約数の個数: 16

約数和(自身を含む): 39146580

約数和(自身を除く): 18327212

約数列:

[1, 2, 4, 8, 373, 746, 1492, 2984, 6977, 13954, 27908, 55816, 2602421, 5204842, 10409684, 20819368]

約数ペア:

[(1, 20819368), (2, 10409684), (4, 5204842), (8, 2602421), (373, 55816), (746, 27908), (1492, 13954), (2984, 6977)]