20326991800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5978527}}^1$

素因数の和:5978560

約数の個数: 48

約数和(自身を含む): 50040279360

約数和(自身を除く): 29713287560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 5978527, 11957054, 23914108, 29892635, 47828216, 59785270, 101634959, 119570540, 149463175, 203269918, 239141080, 298926350, 406539836, 508174795, 597852700, 813079672, 1016349590, 1195705400, 2032699180, 2540873975, 4065398360, 5081747950, 10163495900, 20326991800]

約数ペア:

[(1, 20326991800), (2, 10163495900), (4, 5081747950), (5, 4065398360), (8, 2540873975), (10, 2032699180), (17, 1195705400), (20, 1016349590), (25, 813079672), (34, 597852700), (40, 508174795), (50, 406539836), (68, 298926350), (85, 239141080), (100, 203269918), (136, 149463175), (170, 119570540), (200, 101634959), (340, 59785270), (425, 47828216), (680, 29892635), (850, 23914108), (1700, 11957054), (3400, 5978527)]