20565545156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1\times {\mathrm{9281}}^1$

素因数の和:10332

約数の個数: 48

約数和(自身を含む): 39703792128

約数和(自身を除く): 19138246972

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 991, 1118, 1982, 2236, 3964, 9281, 12883, 18562, 25766, 37124, 42613, 51532, 85226, 120653, 170452, 241306, 399083, 482612, 553969, 798166, 1107938, 1596332, 2215876, 5188079, 9197471, 10376158, 18394942, 20752316, 36789884, 119567123, 239134246, 395491253, 478268492, 790982506, 1581965012, 5141386289, 10282772578, 20565545156]

約数ペア:

[(1, 20565545156), (2, 10282772578), (4, 5141386289), (13, 1581965012), (26, 790982506), (43, 478268492), (52, 395491253), (86, 239134246), (172, 119567123), (559, 36789884), (991, 20752316), (1118, 18394942), (1982, 10376158), (2236, 9197471), (3964, 5188079), (9281, 2215876), (12883, 1596332), (18562, 1107938), (25766, 798166), (37124, 553969), (42613, 482612), (51532, 399083), (85226, 241306), (120653, 170452)]