20160921242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1\times {\mathrm{6911}}^1$

素因数の和:7947

約数の個数: 64

約数和(自身を含む): 39733493760

約数和(自身を除く): 19572572518

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 997, 1463, 1994, 2926, 6911, 6979, 10967, 13822, 13958, 18943, 21934, 37886, 48377, 76021, 76769, 96754, 131309, 132601, 152042, 153538, 208373, 262618, 265202, 416746, 532147, 919163, 1064294, 1444399, 1458611, 1838326, 2888798, 2917222, 6890267, 10110793, 13780534, 20221586, 48231869, 75792937, 96463738, 130915073, 151585874, 261830146, 530550559, 916405511, 1061101118, 1440065803, 1832811022, 2880131606, 10080460621, 20160921242]

約数ペア:

[(1, 20160921242), (2, 10080460621), (7, 2880131606), (11, 1832811022), (14, 1440065803), (19, 1061101118), (22, 916405511), (38, 530550559), (77, 261830146), (133, 151585874), (154, 130915073), (209, 96463738), (266, 75792937), (418, 48231869), (997, 20221586), (1463, 13780534), (1994, 10110793), (2926, 6890267), (6911, 2917222), (6979, 2888798), (10967, 1838326), (13822, 1458611), (13958, 1444399), (18943, 1064294), (21934, 919163), (37886, 532147), (48377, 416746), (76021, 265202), (76769, 262618), (96754, 208373), (131309, 153538), (132601, 152042)]