20914992

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20749}}^1$

素因数の和:20770

約数の個数: 60

約数和(自身を含む): 66898000

約数和(自身を除く): 45983008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20749, 41498, 62247, 82996, 124494, 145243, 165992, 186741, 248988, 290486, 331984, 373482, 435729, 497976, 580972, 746964, 871458, 995952, 1161944, 1307187, 1493928, 1742916, 2323888, 2614374, 2987856, 3485832, 5228748, 6971664, 10457496, 20914992]

約数ペア:

[(1, 20914992), (2, 10457496), (3, 6971664), (4, 5228748), (6, 3485832), (7, 2987856), (8, 2614374), (9, 2323888), (12, 1742916), (14, 1493928), (16, 1307187), (18, 1161944), (21, 995952), (24, 871458), (28, 746964), (36, 580972), (42, 497976), (48, 435729), (56, 373482), (63, 331984), (72, 290486), (84, 248988), (112, 186741), (126, 165992), (144, 145243), (168, 124494), (252, 82996), (336, 62247), (504, 41498), (1008, 20749)]