20703536

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 48568320

約数和(自身を除く): 27864784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 67, 89, 112, 124, 134, 178, 217, 248, 268, 356, 434, 469, 496, 536, 623, 712, 868, 938, 1072, 1246, 1424, 1736, 1876, 2077, 2492, 2759, 3472, 3752, 4154, 4984, 5518, 5963, 7504, 8308, 9968, 11036, 11926, 14539, 16616, 19313, 22072, 23852, 29078, 33232, 38626, 41741, 44144, 47704, 58156, 77252, 83482, 95408, 116312, 154504, 166964, 184853, 232624, 309008, 333928, 369706, 667856, 739412, 1293971, 1478824, 2587942, 2957648, 5175884, 10351768, 20703536]

約数ペア:

[(1, 20703536), (2, 10351768), (4, 5175884), (7, 2957648), (8, 2587942), (14, 1478824), (16, 1293971), (28, 739412), (31, 667856), (56, 369706), (62, 333928), (67, 309008), (89, 232624), (112, 184853), (124, 166964), (134, 154504), (178, 116312), (217, 95408), (248, 83482), (268, 77252), (356, 58156), (434, 47704), (469, 44144), (496, 41741), (536, 38626), (623, 33232), (712, 29078), (868, 23852), (938, 22072), (1072, 19313), (1246, 16616), (1424, 14539), (1736, 11926), (1876, 11036), (2077, 9968), (2492, 8308), (2759, 7504), (3472, 5963), (3752, 5518), (4154, 4984)]