20540702

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 40334112

約数和(自身を除く): 19793410

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 49, 91, 98, 161, 182, 299, 322, 598, 637, 701, 1127, 1274, 1402, 2093, 2254, 4186, 4907, 9113, 9814, 14651, 16123, 18226, 29302, 32246, 34349, 63791, 68698, 112861, 127582, 209599, 225722, 419198, 446537, 790027, 893074, 1467193, 1580054, 2934386, 10270351, 20540702]

約数ペア:

[(1, 20540702), (2, 10270351), (7, 2934386), (13, 1580054), (14, 1467193), (23, 893074), (26, 790027), (46, 446537), (49, 419198), (91, 225722), (98, 209599), (161, 127582), (182, 112861), (299, 68698), (322, 63791), (598, 34349), (637, 32246), (701, 29302), (1127, 18226), (1274, 16123), (1402, 14651), (2093, 9814), (2254, 9113), (4186, 4907)]