20937592

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1847}}^1$

素因数の和:1975

約数の個数: 32

約数和(自身を含む): 42688800

約数和(自身を除く): 21751208

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 1847, 2834, 3694, 5668, 7388, 11336, 14776, 24011, 48022, 96044, 192088, 201323, 402646, 805292, 1610584, 2617199, 5234398, 10468796, 20937592]

約数ペア:

[(1, 20937592), (2, 10468796), (4, 5234398), (8, 2617199), (13, 1610584), (26, 805292), (52, 402646), (104, 201323), (109, 192088), (218, 96044), (436, 48022), (872, 24011), (1417, 14776), (1847, 11336), (2834, 7388), (3694, 5668)]