20602608

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 57975456

約数和(自身を除く): 37372848

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 137, 156, 208, 241, 274, 312, 411, 482, 548, 624, 723, 822, 964, 1096, 1446, 1644, 1781, 1928, 2192, 2892, 3133, 3288, 3562, 3856, 5343, 5784, 6266, 6576, 7124, 9399, 10686, 11568, 12532, 14248, 18798, 21372, 25064, 28496, 33017, 37596, 42744, 50128, 66034, 75192, 85488, 99051, 132068, 150384, 198102, 264136, 396204, 429221, 528272, 792408, 858442, 1287663, 1584816, 1716884, 2575326, 3433768, 5150652, 6867536, 10301304, 20602608]

約数ペア:

[(1, 20602608), (2, 10301304), (3, 6867536), (4, 5150652), (6, 3433768), (8, 2575326), (12, 1716884), (13, 1584816), (16, 1287663), (24, 858442), (26, 792408), (39, 528272), (48, 429221), (52, 396204), (78, 264136), (104, 198102), (137, 150384), (156, 132068), (208, 99051), (241, 85488), (274, 75192), (312, 66034), (411, 50128), (482, 42744), (548, 37596), (624, 33017), (723, 28496), (822, 25064), (964, 21372), (1096, 18798), (1446, 14248), (1644, 12532), (1781, 11568), (1928, 10686), (2192, 9399), (2892, 7124), (3133, 6576), (3288, 6266), (3562, 5784), (3856, 5343)]