20435412

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1907}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 51287040

約数和(自身を除く): 30851628

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 47, 57, 76, 94, 114, 141, 188, 228, 282, 564, 893, 1786, 1907, 2679, 3572, 3814, 5358, 5721, 7628, 10716, 11442, 22884, 36233, 72466, 89629, 108699, 144932, 179258, 217398, 268887, 358516, 434796, 537774, 1075548, 1702951, 3405902, 5108853, 6811804, 10217706, 20435412]

約数ペア:

[(1, 20435412), (2, 10217706), (3, 6811804), (4, 5108853), (6, 3405902), (12, 1702951), (19, 1075548), (38, 537774), (47, 434796), (57, 358516), (76, 268887), (94, 217398), (114, 179258), (141, 144932), (188, 108699), (228, 89629), (282, 72466), (564, 36233), (893, 22884), (1786, 11442), (1907, 10716), (2679, 7628), (3572, 5721), (3814, 5358)]