20009336

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 38394000

約数和(自身を除く): 18384664

約数列:

[1, 2, 4, 8, 89, 157, 178, 179, 314, 356, 358, 628, 712, 716, 1256, 1432, 13973, 15931, 27946, 28103, 31862, 55892, 56206, 63724, 111784, 112412, 127448, 224824, 2501167, 5002334, 10004668, 20009336]

約数ペア:

[(1, 20009336), (2, 10004668), (4, 5002334), (8, 2501167), (89, 224824), (157, 127448), (178, 112412), (179, 111784), (314, 63724), (356, 56206), (358, 55892), (628, 31862), (712, 28103), (716, 27946), (1256, 15931), (1432, 13973)]