20210149008

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20049751}}^1$

素因数の和:20049772

約数の個数: 60

約数和(自身を含む): 64640400448

約数和(自身を除く): 44430251440

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, 20049751, 40099502, 60149253, 80199004, 120298506, 140348257, 160398008, 180447759, 240597012, 280696514, 320796016, 360895518, 421044771, 481194024, 561393028, 721791036, 842089542, 962388048, 1122786056, 1263134313, 1443582072, 1684179084, 2245572112, 2526268626, 2887164144, 3368358168, 5052537252, 6736716336, 10105074504, 20210149008]

約数ペア:

[(1, 20210149008), (2, 10105074504), (3, 6736716336), (4, 5052537252), (6, 3368358168), (7, 2887164144), (8, 2526268626), (9, 2245572112), (12, 1684179084), (14, 1443582072), (16, 1263134313), (18, 1122786056), (21, 962388048), (24, 842089542), (28, 721791036), (36, 561393028), (42, 481194024), (48, 421044771), (56, 360895518), (63, 320796016), (72, 280696514), (84, 240597012), (112, 180447759), (126, 160398008), (144, 140348257), (168, 120298506), (252, 80199004), (336, 60149253), (504, 40099502), (1008, 20049751)]