20172196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 41545728

約数和(自身を除く): 21373532

約数列:

[1, 2, 4, 11, 22, 23, 31, 44, 46, 62, 92, 124, 253, 341, 506, 643, 682, 713, 1012, 1286, 1364, 1426, 2572, 2852, 7073, 7843, 14146, 14789, 15686, 19933, 28292, 29578, 31372, 39866, 59156, 79732, 162679, 219263, 325358, 438526, 458459, 650716, 877052, 916918, 1833836, 5043049, 10086098, 20172196]

約数ペア:

[(1, 20172196), (2, 10086098), (4, 5043049), (11, 1833836), (22, 916918), (23, 877052), (31, 650716), (44, 458459), (46, 438526), (62, 325358), (92, 219263), (124, 162679), (253, 79732), (341, 59156), (506, 39866), (643, 31372), (682, 29578), (713, 28292), (1012, 19933), (1286, 15686), (1364, 14789), (1426, 14146), (2572, 7843), (2852, 7073)]