20625664

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 44739072

約数和(自身を除く): 24113408

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 113, 124, 128, 184, 226, 248, 256, 368, 452, 496, 713, 736, 904, 992, 1426, 1472, 1808, 1984, 2599, 2852, 2944, 3503, 3616, 3968, 5198, 5704, 5888, 7006, 7232, 7936, 10396, 11408, 14012, 14464, 20792, 22816, 28024, 28928, 41584, 45632, 56048, 80569, 83168, 91264, 112096, 161138, 166336, 182528, 224192, 322276, 332672, 448384, 644552, 665344, 896768, 1289104, 2578208, 5156416, 10312832, 20625664]

約数ペア:

[(1, 20625664), (2, 10312832), (4, 5156416), (8, 2578208), (16, 1289104), (23, 896768), (31, 665344), (32, 644552), (46, 448384), (62, 332672), (64, 322276), (92, 224192), (113, 182528), (124, 166336), (128, 161138), (184, 112096), (226, 91264), (248, 83168), (256, 80569), (368, 56048), (452, 45632), (496, 41584), (713, 28928), (736, 28024), (904, 22816), (992, 20792), (1426, 14464), (1472, 14012), (1808, 11408), (1984, 10396), (2599, 7936), (2852, 7232), (2944, 7006), (3503, 5888), (3616, 5704), (3968, 5198)]