20147000936

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{317}}^1\times {\mathrm{1021}}^1$

素因数の和:1626

約数の個数: 64

約数和(自身を含む): 39311516160

約数和(自身を除く): 19164515224

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 251, 317, 502, 634, 1004, 1021, 1268, 2008, 2042, 2536, 4084, 7781, 8168, 9827, 15562, 19654, 31124, 31651, 39308, 62248, 63302, 78616, 79567, 126604, 159134, 253208, 256271, 318268, 323657, 512542, 636536, 647314, 1025084, 1294628, 2050168, 2466577, 2589256, 4933154, 7944401, 9866308, 10033367, 15888802, 19732616, 20066734, 31777604, 40133468, 63555208, 80266936, 81237907, 162475814, 324951628, 649903256, 2518375117, 5036750234, 10073500468, 20147000936]

約数ペア:

[(1, 20147000936), (2, 10073500468), (4, 5036750234), (8, 2518375117), (31, 649903256), (62, 324951628), (124, 162475814), (248, 81237907), (251, 80266936), (317, 63555208), (502, 40133468), (634, 31777604), (1004, 20066734), (1021, 19732616), (1268, 15888802), (2008, 10033367), (2042, 9866308), (2536, 7944401), (4084, 4933154), (7781, 2589256), (8168, 2466577), (9827, 2050168), (15562, 1294628), (19654, 1025084), (31124, 647314), (31651, 636536), (39308, 512542), (62248, 323657), (63302, 318268), (78616, 256271), (79567, 253208), (126604, 159134)]