20438367066

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{677081}}^1$

素因数の和:677148

約数の個数: 64

約数和(自身を含む): 50049901440

約数和(自身を除く): 29611534374

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 86, 117, 129, 234, 258, 351, 387, 559, 702, 774, 1118, 1161, 1677, 2322, 3354, 5031, 10062, 15093, 30186, 677081, 1354162, 2031243, 4062486, 6093729, 8802053, 12187458, 17604106, 18281187, 26406159, 29114483, 36562374, 52812318, 58228966, 79218477, 87343449, 158436954, 174686898, 237655431, 262030347, 378488279, 475310862, 524060694, 756976558, 786091041, 1135464837, 1572182082, 2270929674, 3406394511, 6812789022, 10219183533, 20438367066]

約数ペア:

[(1, 20438367066), (2, 10219183533), (3, 6812789022), (6, 3406394511), (9, 2270929674), (13, 1572182082), (18, 1135464837), (26, 786091041), (27, 756976558), (39, 524060694), (43, 475310862), (54, 378488279), (78, 262030347), (86, 237655431), (117, 174686898), (129, 158436954), (234, 87343449), (258, 79218477), (351, 58228966), (387, 52812318), (559, 36562374), (702, 29114483), (774, 26406159), (1118, 18281187), (1161, 17604106), (1677, 12187458), (2322, 8802053), (3354, 6093729), (5031, 4062486), (10062, 2031243), (15093, 1354162), (30186, 677081)]