20964432

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 56964608

約数和(自身を除く): 36000176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 73, 93, 124, 146, 186, 193, 219, 248, 292, 372, 386, 438, 496, 579, 584, 744, 772, 876, 1158, 1168, 1488, 1544, 1752, 2263, 2316, 3088, 3504, 4526, 4632, 5983, 6789, 9052, 9264, 11966, 13578, 14089, 17949, 18104, 23932, 27156, 28178, 35898, 36208, 42267, 47864, 54312, 56356, 71796, 84534, 95728, 108624, 112712, 143592, 169068, 225424, 287184, 338136, 436759, 676272, 873518, 1310277, 1747036, 2620554, 3494072, 5241108, 6988144, 10482216, 20964432]

約数ペア:

[(1, 20964432), (2, 10482216), (3, 6988144), (4, 5241108), (6, 3494072), (8, 2620554), (12, 1747036), (16, 1310277), (24, 873518), (31, 676272), (48, 436759), (62, 338136), (73, 287184), (93, 225424), (124, 169068), (146, 143592), (186, 112712), (193, 108624), (219, 95728), (248, 84534), (292, 71796), (372, 56356), (386, 54312), (438, 47864), (496, 42267), (579, 36208), (584, 35898), (744, 28178), (772, 27156), (876, 23932), (1158, 18104), (1168, 17949), (1488, 14089), (1544, 13578), (1752, 11966), (2263, 9264), (2316, 9052), (3088, 6789), (3504, 5983), (4526, 4632)]