20085984

素因数分解:

$2^5\times 3^2\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:832

約数の個数: 72

約数和(自身を含む): 57788640

約数和(自身を除く): 37702656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 97, 144, 194, 288, 291, 388, 582, 719, 776, 873, 1164, 1438, 1552, 1746, 2157, 2328, 2876, 3104, 3492, 4314, 4656, 5752, 6471, 6984, 8628, 9312, 11504, 12942, 13968, 17256, 23008, 25884, 27936, 34512, 51768, 69024, 69743, 103536, 139486, 207072, 209229, 278972, 418458, 557944, 627687, 836916, 1115888, 1255374, 1673832, 2231776, 2510748, 3347664, 5021496, 6695328, 10042992, 20085984]

約数ペア:

[(1, 20085984), (2, 10042992), (3, 6695328), (4, 5021496), (6, 3347664), (8, 2510748), (9, 2231776), (12, 1673832), (16, 1255374), (18, 1115888), (24, 836916), (32, 627687), (36, 557944), (48, 418458), (72, 278972), (96, 209229), (97, 207072), (144, 139486), (194, 103536), (288, 69743), (291, 69024), (388, 51768), (582, 34512), (719, 27936), (776, 25884), (873, 23008), (1164, 17256), (1438, 13968), (1552, 12942), (1746, 11504), (2157, 9312), (2328, 8628), (2876, 6984), (3104, 6471), (3492, 5752), (4314, 4656)]