20510965538

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1150879}}^1$

素因数の和:1150974

約数の個数: 32

約数和(自身を含む): 37564723200

約数和(自身を除く): 17053757662

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 469, 938, 1273, 2546, 8911, 17822, 1150879, 2301758, 8056153, 16112306, 21866701, 43733402, 77108893, 153066907, 154217786, 306133814, 539762251, 1079524502, 1465068967, 2930137934, 10255482769, 20510965538]

約数ペア:

[(1, 20510965538), (2, 10255482769), (7, 2930137934), (14, 1465068967), (19, 1079524502), (38, 539762251), (67, 306133814), (133, 154217786), (134, 153066907), (266, 77108893), (469, 43733402), (938, 21866701), (1273, 16112306), (2546, 8056153), (8911, 2301758), (17822, 1150879)]