20717367561

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{71593}}^1$

素因数の和:71726

約数の個数: 48

約数和(自身を含む): 33952738560

約数和(自身を除く): 13235370999

約数列:

[1, 3, 9, 11, 33, 37, 79, 99, 111, 237, 333, 407, 711, 869, 1221, 2607, 2923, 3663, 7821, 8769, 26307, 32153, 71593, 96459, 214779, 289377, 644337, 787523, 2362569, 2648941, 5655847, 7087707, 7946823, 16967541, 23840469, 29138351, 50902623, 62214317, 87415053, 186642951, 209266339, 262245159, 559928853, 627799017, 1883397051, 2301929729, 6905789187, 20717367561]

約数ペア:

[(1, 20717367561), (3, 6905789187), (9, 2301929729), (11, 1883397051), (33, 627799017), (37, 559928853), (79, 262245159), (99, 209266339), (111, 186642951), (237, 87415053), (333, 62214317), (407, 50902623), (711, 29138351), (869, 23840469), (1221, 16967541), (2607, 7946823), (2923, 7087707), (3663, 5655847), (7821, 2648941), (8769, 2362569), (26307, 787523), (32153, 644337), (71593, 289377), (96459, 214779)]