20394642

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 42115392

約数和(自身を除く): 21720750

約数列:

[1, 2, 3, 6, 43, 86, 129, 137, 258, 274, 411, 577, 822, 1154, 1731, 3462, 5891, 11782, 17673, 24811, 35346, 49622, 74433, 79049, 148866, 158098, 237147, 474294, 3399107, 6798214, 10197321, 20394642]

約数ペア:

[(1, 20394642), (2, 10197321), (3, 6798214), (6, 3399107), (43, 474294), (86, 237147), (129, 158098), (137, 148866), (258, 79049), (274, 74433), (411, 49622), (577, 35346), (822, 24811), (1154, 17673), (1731, 11782), (3462, 5891)]