20163371872

素因数分解:

$2^5\times 7^1\times {\mathrm{191}}^1\times {\mathrm{471283}}^1$

素因数の和:471491

約数の個数: 48

約数和(自身を含む): 45605210112

約数和(自身を除く): 25441838240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 191, 224, 382, 764, 1337, 1528, 2674, 3056, 5348, 6112, 10696, 21392, 42784, 471283, 942566, 1885132, 3298981, 3770264, 6597962, 7540528, 13195924, 15081056, 26391848, 52783696, 90015053, 105567392, 180030106, 360060212, 630105371, 720120424, 1260210742, 1440240848, 2520421484, 2880481696, 5040842968, 10081685936, 20163371872]

約数ペア:

[(1, 20163371872), (2, 10081685936), (4, 5040842968), (7, 2880481696), (8, 2520421484), (14, 1440240848), (16, 1260210742), (28, 720120424), (32, 630105371), (56, 360060212), (112, 180030106), (191, 105567392), (224, 90015053), (382, 52783696), (764, 26391848), (1337, 15081056), (1528, 13195924), (2674, 7540528), (3056, 6597962), (5348, 3770264), (6112, 3298981), (10696, 1885132), (21392, 942566), (42784, 471283)]