20650136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 44452800

約数和(自身を除く): 23802664

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 89, 92, 97, 104, 178, 184, 194, 299, 356, 388, 598, 712, 776, 1157, 1196, 1261, 2047, 2231, 2314, 2392, 2522, 4094, 4462, 4628, 5044, 8188, 8633, 8924, 9256, 10088, 16376, 17266, 17848, 26611, 29003, 34532, 53222, 58006, 69064, 106444, 112229, 116012, 198559, 212888, 224458, 232024, 397118, 448916, 794236, 897832, 1588472, 2581267, 5162534, 10325068, 20650136]

約数ペア:

[(1, 20650136), (2, 10325068), (4, 5162534), (8, 2581267), (13, 1588472), (23, 897832), (26, 794236), (46, 448916), (52, 397118), (89, 232024), (92, 224458), (97, 212888), (104, 198559), (178, 116012), (184, 112229), (194, 106444), (299, 69064), (356, 58006), (388, 53222), (598, 34532), (712, 29003), (776, 26611), (1157, 17848), (1196, 17266), (1261, 16376), (2047, 10088), (2231, 9256), (2314, 8924), (2392, 8633), (2522, 8188), (4094, 5044), (4462, 4628)]