20922272

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 51093504

約数和(自身を除く): 30171232

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 56, 62, 92, 112, 124, 131, 161, 184, 217, 224, 248, 262, 322, 368, 434, 496, 524, 644, 713, 736, 868, 917, 992, 1048, 1288, 1426, 1736, 1834, 2096, 2576, 2852, 3013, 3472, 3668, 4061, 4192, 4991, 5152, 5704, 6026, 6944, 7336, 8122, 9982, 11408, 12052, 14672, 16244, 19964, 21091, 22816, 24104, 28427, 29344, 32488, 39928, 42182, 48208, 56854, 64976, 79856, 84364, 93403, 96416, 113708, 129952, 159712, 168728, 186806, 227416, 337456, 373612, 454832, 653821, 674912, 747224, 909664, 1307642, 1494448, 2615284, 2988896, 5230568, 10461136, 20922272]

約数ペア:

[(1, 20922272), (2, 10461136), (4, 5230568), (7, 2988896), (8, 2615284), (14, 1494448), (16, 1307642), (23, 909664), (28, 747224), (31, 674912), (32, 653821), (46, 454832), (56, 373612), (62, 337456), (92, 227416), (112, 186806), (124, 168728), (131, 159712), (161, 129952), (184, 113708), (217, 96416), (224, 93403), (248, 84364), (262, 79856), (322, 64976), (368, 56854), (434, 48208), (496, 42182), (524, 39928), (644, 32488), (713, 29344), (736, 28427), (868, 24104), (917, 22816), (992, 21091), (1048, 19964), (1288, 16244), (1426, 14672), (1736, 12052), (1834, 11408), (2096, 9982), (2576, 8122), (2852, 7336), (3013, 6944), (3472, 6026), (3668, 5704), (4061, 5152), (4192, 4991)]