20754678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3607}}^1$

素因数の和:3756

約数の個数: 32

約数和(自身を含む): 47798784

約数和(自身を除く): 27044106

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 274, 411, 822, 959, 1918, 2877, 3607, 5754, 7214, 10821, 21642, 25249, 50498, 75747, 151494, 494159, 988318, 1482477, 2964954, 3459113, 6918226, 10377339, 20754678]

約数ペア:

[(1, 20754678), (2, 10377339), (3, 6918226), (6, 3459113), (7, 2964954), (14, 1482477), (21, 988318), (42, 494159), (137, 151494), (274, 75747), (411, 50498), (822, 25249), (959, 21642), (1918, 10821), (2877, 7214), (3607, 5754)]