20121806244

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1\times {\mathrm{12553}}^1$

素因数の和:12761

約数の個数: 72

約数和(自身を含む): 48867198240

約数和(自身を除く): 28745391996

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 139, 186, 278, 372, 417, 556, 834, 961, 1668, 1922, 2883, 3844, 4309, 5766, 8618, 11532, 12553, 12927, 17236, 25106, 25854, 37659, 50212, 51708, 75318, 133579, 150636, 267158, 389143, 400737, 534316, 778286, 801474, 1167429, 1556572, 1602948, 1744867, 2334858, 3489734, 4669716, 5234601, 6979468, 10469202, 12063433, 20938404, 24126866, 36190299, 48253732, 54090877, 72380598, 108181754, 144761196, 162272631, 216363508, 324545262, 649090524, 1676817187, 3353634374, 5030451561, 6707268748, 10060903122, 20121806244]

約数ペア:

[(1, 20121806244), (2, 10060903122), (3, 6707268748), (4, 5030451561), (6, 3353634374), (12, 1676817187), (31, 649090524), (62, 324545262), (93, 216363508), (124, 162272631), (139, 144761196), (186, 108181754), (278, 72380598), (372, 54090877), (417, 48253732), (556, 36190299), (834, 24126866), (961, 20938404), (1668, 12063433), (1922, 10469202), (2883, 6979468), (3844, 5234601), (4309, 4669716), (5766, 3489734), (8618, 2334858), (11532, 1744867), (12553, 1602948), (12927, 1556572), (17236, 1167429), (25106, 801474), (25854, 778286), (37659, 534316), (50212, 400737), (51708, 389143), (75318, 267158), (133579, 150636)]