16620890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 35925120

約数和(自身を除く): 19304230

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 59, 65, 110, 118, 130, 143, 197, 286, 295, 394, 590, 649, 715, 767, 985, 1298, 1430, 1534, 1970, 2167, 2561, 3245, 3835, 4334, 5122, 6490, 7670, 8437, 10835, 11623, 12805, 16874, 21670, 23246, 25610, 28171, 42185, 56342, 58115, 84370, 116230, 127853, 140855, 151099, 255706, 281710, 302198, 639265, 755495, 1278530, 1510990, 1662089, 3324178, 8310445, 16620890]

約数ペア:

[(1, 16620890), (2, 8310445), (5, 3324178), (10, 1662089), (11, 1510990), (13, 1278530), (22, 755495), (26, 639265), (55, 302198), (59, 281710), (65, 255706), (110, 151099), (118, 140855), (130, 127853), (143, 116230), (197, 84370), (286, 58115), (295, 56342), (394, 42185), (590, 28171), (649, 25610), (715, 23246), (767, 21670), (985, 16874), (1298, 12805), (1430, 11623), (1534, 10835), (1970, 8437), (2167, 7670), (2561, 6490), (3245, 5122), (3835, 4334)]