20171956222

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{28517}}^1$

素因数の和:28657

約数の個数: 48

約数和(自身を含む): 34591193280

約数和(自身を除く): 14419237058

約数列:

[1, 2, 11, 22, 37, 74, 79, 121, 158, 242, 407, 814, 869, 1738, 2923, 4477, 5846, 8954, 9559, 19118, 28517, 32153, 57034, 64306, 313687, 353683, 627374, 707366, 1055129, 2110258, 2252843, 3450557, 4505686, 6901114, 11606419, 23212838, 24781273, 49562546, 83355191, 127670609, 166710382, 255341218, 272594003, 545188006, 916907101, 1833814202, 10085978111, 20171956222]

約数ペア:

[(1, 20171956222), (2, 10085978111), (11, 1833814202), (22, 916907101), (37, 545188006), (74, 272594003), (79, 255341218), (121, 166710382), (158, 127670609), (242, 83355191), (407, 49562546), (814, 24781273), (869, 23212838), (1738, 11606419), (2923, 6901114), (4477, 4505686), (5846, 3450557), (8954, 2252843), (9559, 2110258), (19118, 1055129), (28517, 707366), (32153, 627374), (57034, 353683), (64306, 313687)]