20763395877

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{20873}}^1$

素因数の和:21058

約数の個数: 48

約数和(自身を含む): 33010310592

約数和(自身を除く): 12246914715

約数列:

[1, 3, 7, 21, 49, 67, 101, 147, 201, 303, 469, 707, 1407, 2121, 3283, 4949, 6767, 9849, 14847, 20301, 20873, 47369, 62619, 142107, 146111, 331583, 438333, 994749, 1022777, 1398491, 2108173, 3068331, 4195473, 6324519, 9789437, 14757211, 29368311, 44271633, 68526059, 103300477, 141247591, 205578177, 309901431, 423742773, 988733137, 2966199411, 6921131959, 20763395877]

約数ペア:

[(1, 20763395877), (3, 6921131959), (7, 2966199411), (21, 988733137), (49, 423742773), (67, 309901431), (101, 205578177), (147, 141247591), (201, 103300477), (303, 68526059), (469, 44271633), (707, 29368311), (1407, 14757211), (2121, 9789437), (3283, 6324519), (4949, 4195473), (6767, 3068331), (9849, 2108173), (14847, 1398491), (20301, 1022777), (20873, 994749), (47369, 438333), (62619, 331583), (142107, 146111)]