20472770318

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2719}}^1\times {\mathrm{3761}}^1$

素因数の和:6513

約数の個数: 64

約数和(自身を含む): 41258004480

約数和(自身を除く): 20785234162

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 2719, 3761, 5438, 7522, 19033, 26327, 29909, 35347, 38066, 41371, 48893, 52654, 59818, 70694, 82742, 97786, 209363, 247429, 289597, 342251, 388817, 418726, 494858, 537823, 579194, 684502, 777634, 1075646, 2721719, 3764761, 5443438, 7529522, 10226159, 20452318, 71583113, 112487749, 132940067, 143166226, 224975498, 265880134, 787414243, 930580469, 1462340737, 1574828486, 1861160938, 2924681474, 10236385159, 20472770318]

約数ペア:

[(1, 20472770318), (2, 10236385159), (7, 2924681474), (11, 1861160938), (13, 1574828486), (14, 1462340737), (22, 930580469), (26, 787414243), (77, 265880134), (91, 224975498), (143, 143166226), (154, 132940067), (182, 112487749), (286, 71583113), (1001, 20452318), (2002, 10226159), (2719, 7529522), (3761, 5443438), (5438, 3764761), (7522, 2721719), (19033, 1075646), (26327, 777634), (29909, 684502), (35347, 579194), (38066, 537823), (41371, 494858), (48893, 418726), (52654, 388817), (59818, 342251), (70694, 289597), (82742, 247429), (97786, 209363)]