20372572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 41658624

約数和(自身を除く): 21286052

約数列:

[1, 2, 4, 11, 22, 23, 41, 44, 46, 82, 92, 164, 253, 451, 491, 506, 902, 943, 982, 1012, 1804, 1886, 1964, 3772, 5401, 10373, 10802, 11293, 20131, 20746, 21604, 22586, 40262, 41492, 45172, 80524, 124223, 221441, 248446, 442882, 463013, 496892, 885764, 926026, 1852052, 5093143, 10186286, 20372572]

約数ペア:

[(1, 20372572), (2, 10186286), (4, 5093143), (11, 1852052), (22, 926026), (23, 885764), (41, 496892), (44, 463013), (46, 442882), (82, 248446), (92, 221441), (164, 124223), (253, 80524), (451, 45172), (491, 41492), (506, 40262), (902, 22586), (943, 21604), (982, 20746), (1012, 20131), (1804, 11293), (1886, 10802), (1964, 10373), (3772, 5401)]