20868452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1213}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 44053632

約数和(自身を除く): 23185180

約数列:

[1, 2, 4, 11, 17, 22, 23, 34, 44, 46, 68, 92, 187, 253, 374, 391, 506, 748, 782, 1012, 1213, 1564, 2426, 4301, 4852, 8602, 13343, 17204, 20621, 26686, 27899, 41242, 53372, 55798, 82484, 111596, 226831, 306889, 453662, 474283, 613778, 907324, 948566, 1227556, 1897132, 5217113, 10434226, 20868452]

約数ペア:

[(1, 20868452), (2, 10434226), (4, 5217113), (11, 1897132), (17, 1227556), (22, 948566), (23, 907324), (34, 613778), (44, 474283), (46, 453662), (68, 306889), (92, 226831), (187, 111596), (253, 82484), (374, 55798), (391, 53372), (506, 41242), (748, 27899), (782, 26686), (1012, 20621), (1213, 17204), (1564, 13343), (2426, 8602), (4301, 4852)]