20938128

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{7151}}^1$

素因数の和:7223

約数の個数: 40

約数和(自身を含む): 54984576

約数和(自身を除く): 34046448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 7151, 14302, 21453, 28604, 42906, 57208, 85812, 114416, 171624, 343248, 436211, 872422, 1308633, 1744844, 2617266, 3489688, 5234532, 6979376, 10469064, 20938128]

約数ペア:

[(1, 20938128), (2, 10469064), (3, 6979376), (4, 5234532), (6, 3489688), (8, 2617266), (12, 1744844), (16, 1308633), (24, 872422), (48, 436211), (61, 343248), (122, 171624), (183, 114416), (244, 85812), (366, 57208), (488, 42906), (732, 28604), (976, 21453), (1464, 14302), (2928, 7151)]