20165080558

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 35300966400

約数和(自身を除く): 15135885842

約数列:

[1, 2, 7, 14, 139, 191, 227, 239, 278, 382, 454, 478, 973, 1337, 1589, 1673, 1946, 2674, 3178, 3346, 26549, 31553, 33221, 43357, 45649, 53098, 54253, 63106, 66442, 86714, 91298, 108506, 185843, 220871, 232547, 303499, 319543, 371686, 379771, 441742, 465094, 606998, 639086, 759542, 6026623, 6345211, 7541167, 10362323, 12053246, 12690422, 15082334, 20724646, 42186361, 44416477, 52788169, 72536261, 84372722, 88832954, 105576338, 145072522, 1440362897, 2880725794, 10082540279, 20165080558]

約数ペア:

[(1, 20165080558), (2, 10082540279), (7, 2880725794), (14, 1440362897), (139, 145072522), (191, 105576338), (227, 88832954), (239, 84372722), (278, 72536261), (382, 52788169), (454, 44416477), (478, 42186361), (973, 20724646), (1337, 15082334), (1589, 12690422), (1673, 12053246), (1946, 10362323), (2674, 7541167), (3178, 6345211), (3346, 6026623), (26549, 759542), (31553, 639086), (33221, 606998), (43357, 465094), (45649, 441742), (53098, 379771), (54253, 371686), (63106, 319543), (66442, 303499), (86714, 232547), (91298, 220871), (108506, 185843)]