20342776284

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{30011}}^1$

素因数の和:31031

約数の個数: 72

約数和(自身を含む): 54184865280

約数和(自身を除く): 33842088996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 991, 1982, 2973, 3964, 5946, 8919, 11892, 17838, 18829, 30011, 35676, 37658, 56487, 60022, 75316, 90033, 112974, 120044, 169461, 180066, 225948, 270099, 338922, 360132, 540198, 570209, 677844, 1080396, 1140418, 1710627, 2280836, 3421254, 5131881, 6842508, 10263762, 20527524, 29740901, 59481802, 89222703, 118963604, 178445406, 267668109, 356890812, 535336218, 565077119, 1070672436, 1130154238, 1695231357, 2260308476, 3390462714, 5085694071, 6780925428, 10171388142, 20342776284]

約数ペア:

[(1, 20342776284), (2, 10171388142), (3, 6780925428), (4, 5085694071), (6, 3390462714), (9, 2260308476), (12, 1695231357), (18, 1130154238), (19, 1070672436), (36, 565077119), (38, 535336218), (57, 356890812), (76, 267668109), (114, 178445406), (171, 118963604), (228, 89222703), (342, 59481802), (684, 29740901), (991, 20527524), (1982, 10263762), (2973, 6842508), (3964, 5131881), (5946, 3421254), (8919, 2280836), (11892, 1710627), (17838, 1140418), (18829, 1080396), (30011, 677844), (35676, 570209), (37658, 540198), (56487, 360132), (60022, 338922), (75316, 270099), (90033, 225948), (112974, 180066), (120044, 169461)]