20933248

素因数分解:

$2^7\times 7^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 48568320

約数和(自身を除く): 27635072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 383, 427, 448, 488, 766, 854, 896, 976, 1532, 1708, 1952, 2681, 3064, 3416, 3904, 5362, 6128, 6832, 7808, 10724, 12256, 13664, 21448, 23363, 24512, 27328, 42896, 46726, 49024, 54656, 85792, 93452, 163541, 171584, 186904, 327082, 343168, 373808, 654164, 747616, 1308328, 1495232, 2616656, 2990464, 5233312, 10466624, 20933248]

約数ペア:

[(1, 20933248), (2, 10466624), (4, 5233312), (7, 2990464), (8, 2616656), (14, 1495232), (16, 1308328), (28, 747616), (32, 654164), (56, 373808), (61, 343168), (64, 327082), (112, 186904), (122, 171584), (128, 163541), (224, 93452), (244, 85792), (383, 54656), (427, 49024), (448, 46726), (488, 42896), (766, 27328), (854, 24512), (896, 23363), (976, 21448), (1532, 13664), (1708, 12256), (1952, 10724), (2681, 7808), (3064, 6832), (3416, 6128), (3904, 5362)]