20131720540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1119673}}^1$

素因数の和:1119742

約数の個数: 48

約数和(自身を含む): 45145255680

約数和(自身を除く): 25013535140

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 8990, 17980, 1119673, 2239346, 4478692, 5598365, 11196730, 22393460, 32470517, 34709863, 64941034, 69419726, 129882068, 138839452, 162352585, 173549315, 324705170, 347098630, 649410340, 694197260, 1006586027, 2013172054, 4026344108, 5032930135, 10065860270, 20131720540]

約数ペア:

[(1, 20131720540), (2, 10065860270), (4, 5032930135), (5, 4026344108), (10, 2013172054), (20, 1006586027), (29, 694197260), (31, 649410340), (58, 347098630), (62, 324705170), (116, 173549315), (124, 162352585), (145, 138839452), (155, 129882068), (290, 69419726), (310, 64941034), (580, 34709863), (620, 32470517), (899, 22393460), (1798, 11196730), (3596, 5598365), (4495, 4478692), (8990, 2239346), (17980, 1119673)]