20546752

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:369

約数の個数: 56

約数和(自身を含む): 43779440

約数和(自身を除く): 23232688

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 64, 76, 122, 152, 244, 277, 304, 488, 554, 608, 976, 1108, 1159, 1216, 1952, 2216, 2318, 3904, 4432, 4636, 5263, 8864, 9272, 10526, 16897, 17728, 18544, 21052, 33794, 37088, 42104, 67588, 74176, 84208, 135176, 168416, 270352, 321043, 336832, 540704, 642086, 1081408, 1284172, 2568344, 5136688, 10273376, 20546752]

約数ペア:

[(1, 20546752), (2, 10273376), (4, 5136688), (8, 2568344), (16, 1284172), (19, 1081408), (32, 642086), (38, 540704), (61, 336832), (64, 321043), (76, 270352), (122, 168416), (152, 135176), (244, 84208), (277, 74176), (304, 67588), (488, 42104), (554, 37088), (608, 33794), (976, 21052), (1108, 18544), (1159, 17728), (1216, 16897), (1952, 10526), (2216, 9272), (2318, 8864), (3904, 5263), (4432, 4636)]