20115726

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^2$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 44124912

約数和(自身を除く): 24009186

約数列:

[1, 2, 3, 6, 17, 34, 51, 53, 61, 102, 106, 122, 159, 183, 318, 366, 901, 1037, 1802, 2074, 2703, 3111, 3233, 3721, 5406, 6222, 6466, 7442, 9699, 11163, 19398, 22326, 54961, 63257, 109922, 126514, 164883, 189771, 197213, 329766, 379542, 394426, 591639, 1183278, 3352621, 6705242, 10057863, 20115726]

約数ペア:

[(1, 20115726), (2, 10057863), (3, 6705242), (6, 3352621), (17, 1183278), (34, 591639), (51, 394426), (53, 379542), (61, 329766), (102, 197213), (106, 189771), (122, 164883), (159, 126514), (183, 109922), (318, 63257), (366, 54961), (901, 22326), (1037, 19398), (1802, 11163), (2074, 9699), (2703, 7442), (3111, 6466), (3233, 6222), (3721, 5406)]