20715130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3517}}^1$

素因数の和:3574

約数の個数: 32

約数和(自身を含む): 40527360

約数和(自身を除く): 19812230

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 3517, 5890, 7034, 17585, 35170, 66823, 109027, 133646, 218054, 334115, 545135, 668230, 1090270, 2071513, 4143026, 10357565, 20715130]

約数ペア:

[(1, 20715130), (2, 10357565), (5, 4143026), (10, 2071513), (19, 1090270), (31, 668230), (38, 545135), (62, 334115), (95, 218054), (155, 133646), (190, 109027), (310, 66823), (589, 35170), (1178, 17585), (2945, 7034), (3517, 5890)]