20808504

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 59220720

約数和(自身を除く): 38412216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 73, 74, 107, 111, 146, 148, 214, 219, 222, 292, 296, 321, 333, 428, 438, 444, 584, 642, 657, 666, 856, 876, 888, 963, 1284, 1314, 1332, 1752, 1926, 2568, 2628, 2664, 2701, 3852, 3959, 5256, 5402, 7704, 7811, 7918, 8103, 10804, 11877, 15622, 15836, 16206, 21608, 23433, 23754, 24309, 31244, 31672, 32412, 35631, 46866, 47508, 48618, 62488, 64824, 70299, 71262, 93732, 95016, 97236, 140598, 142524, 187464, 194472, 281196, 285048, 289007, 562392, 578014, 867021, 1156028, 1734042, 2312056, 2601063, 3468084, 5202126, 6936168, 10404252, 20808504]

約数ペア:

[(1, 20808504), (2, 10404252), (3, 6936168), (4, 5202126), (6, 3468084), (8, 2601063), (9, 2312056), (12, 1734042), (18, 1156028), (24, 867021), (36, 578014), (37, 562392), (72, 289007), (73, 285048), (74, 281196), (107, 194472), (111, 187464), (146, 142524), (148, 140598), (214, 97236), (219, 95016), (222, 93732), (292, 71262), (296, 70299), (321, 64824), (333, 62488), (428, 48618), (438, 47508), (444, 46866), (584, 35631), (642, 32412), (657, 31672), (666, 31244), (856, 24309), (876, 23754), (888, 23433), (963, 21608), (1284, 16206), (1314, 15836), (1332, 15622), (1752, 11877), (1926, 10804), (2568, 8103), (2628, 7918), (2664, 7811), (2701, 7704), (3852, 5402), (3959, 5256)]