20542002

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 26874318

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 83, 114, 166, 167, 247, 249, 334, 494, 498, 501, 741, 1002, 1079, 1482, 1577, 2158, 2171, 3154, 3173, 3237, 4342, 4731, 6346, 6474, 6513, 9462, 9519, 13026, 13861, 19038, 20501, 27722, 41002, 41249, 41583, 61503, 82498, 83166, 123006, 123747, 180193, 247494, 263359, 360386, 526718, 540579, 790077, 1081158, 1580154, 3423667, 6847334, 10271001, 20542002]

約数ペア:

[(1, 20542002), (2, 10271001), (3, 6847334), (6, 3423667), (13, 1580154), (19, 1081158), (26, 790077), (38, 540579), (39, 526718), (57, 360386), (78, 263359), (83, 247494), (114, 180193), (166, 123747), (167, 123006), (247, 83166), (249, 82498), (334, 61503), (494, 41583), (498, 41249), (501, 41002), (741, 27722), (1002, 20501), (1079, 19038), (1482, 13861), (1577, 13026), (2158, 9519), (2171, 9462), (3154, 6513), (3173, 6474), (3237, 6346), (4342, 4731)]