20780053568

素因数分解:

$2^6\times {\mathrm{229}}^1\times {\mathrm{523}}^1\times {\mathrm{2711}}^1$

素因数の和:3475

約数の個数: 56

約数和(自身を含む): 41509980480

約数和(自身を除く): 20729926912

約数列:

[1, 2, 4, 8, 16, 32, 64, 229, 458, 523, 916, 1046, 1832, 2092, 2711, 3664, 4184, 5422, 7328, 8368, 10844, 14656, 16736, 21688, 33472, 43376, 86752, 119767, 173504, 239534, 479068, 620819, 958136, 1241638, 1417853, 1916272, 2483276, 2835706, 3832544, 4966552, 5671412, 7665088, 9933104, 11342824, 19866208, 22685648, 39732416, 45371296, 90742592, 324688337, 649376674, 1298753348, 2597506696, 5195013392, 10390026784, 20780053568]

約数ペア:

[(1, 20780053568), (2, 10390026784), (4, 5195013392), (8, 2597506696), (16, 1298753348), (32, 649376674), (64, 324688337), (229, 90742592), (458, 45371296), (523, 39732416), (916, 22685648), (1046, 19866208), (1832, 11342824), (2092, 9933104), (2711, 7665088), (3664, 5671412), (4184, 4966552), (5422, 3832544), (7328, 2835706), (8368, 2483276), (10844, 1916272), (14656, 1417853), (16736, 1241638), (21688, 958136), (33472, 620819), (43376, 479068), (86752, 239534), (119767, 173504)]