20152782

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1305

約数の個数: 48

約数和(自身を含む): 47724768

約数和(自身を除く): 27571986

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1213, 1278, 1846, 2426, 2769, 3639, 5538, 7278, 8307, 10917, 15769, 16614, 21834, 31538, 47307, 86123, 94614, 141921, 172246, 258369, 283842, 516738, 775107, 1119599, 1550214, 2239198, 3358797, 6717594, 10076391, 20152782]

約数ペア:

[(1, 20152782), (2, 10076391), (3, 6717594), (6, 3358797), (9, 2239198), (13, 1550214), (18, 1119599), (26, 775107), (39, 516738), (71, 283842), (78, 258369), (117, 172246), (142, 141921), (213, 94614), (234, 86123), (426, 47307), (639, 31538), (923, 21834), (1213, 16614), (1278, 15769), (1846, 10917), (2426, 8307), (2769, 7278), (3639, 5538)]