20194095920

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1842527}}^1$

素因数の和:1842677

約数の個数: 40

約数和(自身を含む): 47294008704

約数和(自身を除く): 27099912784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 1842527, 3685054, 7370108, 9212635, 14740216, 18425270, 29480432, 36850540, 73701080, 147402160, 252426199, 504852398, 1009704796, 1262130995, 2019409592, 2524261990, 4038819184, 5048523980, 10097047960, 20194095920]

約数ペア:

[(1, 20194095920), (2, 10097047960), (4, 5048523980), (5, 4038819184), (8, 2524261990), (10, 2019409592), (16, 1262130995), (20, 1009704796), (40, 504852398), (80, 252426199), (137, 147402160), (274, 73701080), (548, 36850540), (685, 29480432), (1096, 18425270), (1370, 14740216), (2192, 9212635), (2740, 7370108), (5480, 3685054), (10960, 1842527)]