20812358

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4007}}^1$

素因数の和:4076

約数の個数: 24

約数和(自身を含む): 37009872

約数和(自身を除く): 16197514

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 4007, 5194, 8014, 28049, 56098, 196343, 212371, 392686, 424742, 1486597, 2973194, 10406179, 20812358]

約数ペア:

[(1, 20812358), (2, 10406179), (7, 2973194), (14, 1486597), (49, 424742), (53, 392686), (98, 212371), (106, 196343), (371, 56098), (742, 28049), (2597, 8014), (4007, 5194)]