20858902260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49664053}}^1$

素因数の和:49664072

約数の個数: 48

約数和(自身を含む): 66748488576

約数和(自身を除く): 45889586316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49664053, 99328106, 148992159, 198656212, 248320265, 297984318, 347648371, 496640530, 595968636, 695296742, 744960795, 993281060, 1042945113, 1390593484, 1489921590, 1738241855, 2085890226, 2979843180, 3476483710, 4171780452, 5214725565, 6952967420, 10429451130, 20858902260]

約数ペア:

[(1, 20858902260), (2, 10429451130), (3, 6952967420), (4, 5214725565), (5, 4171780452), (6, 3476483710), (7, 2979843180), (10, 2085890226), (12, 1738241855), (14, 1489921590), (15, 1390593484), (20, 1042945113), (21, 993281060), (28, 744960795), (30, 695296742), (35, 595968636), (42, 496640530), (60, 347648371), (70, 297984318), (84, 248320265), (105, 198656212), (140, 148992159), (210, 99328106), (420, 49664053)]