20558494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 35769600

約数和(自身を除く): 15211106

約数列:

[1, 2, 11, 19, 22, 38, 137, 209, 274, 359, 418, 718, 1507, 2603, 3014, 3949, 5206, 6821, 7898, 13642, 28633, 49183, 57266, 75031, 98366, 150062, 541013, 934477, 1082026, 1868954, 10279247, 20558494]

約数ペア:

[(1, 20558494), (2, 10279247), (11, 1868954), (19, 1082026), (22, 934477), (38, 541013), (137, 150062), (209, 98366), (274, 75031), (359, 57266), (418, 49183), (718, 28633), (1507, 13642), (2603, 7898), (3014, 6821), (3949, 5206)]