20642004544

素因数分解:

$2^6\times 7^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1\times {\mathrm{919}}^1$

素因数の和:1396

約数の個数: 112

約数和(自身を含む): 47293093120

約数和(自身を除く): 26651088576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 181, 224, 277, 362, 448, 554, 724, 919, 1108, 1267, 1448, 1838, 1939, 2216, 2534, 2896, 3676, 3878, 4432, 5068, 5792, 6433, 7352, 7756, 8864, 10136, 11584, 12866, 14704, 15512, 17728, 20272, 25732, 29408, 31024, 40544, 50137, 51464, 58816, 62048, 81088, 100274, 102928, 124096, 166339, 200548, 205856, 254563, 332678, 350959, 401096, 411712, 509126, 665356, 701918, 802192, 1018252, 1164373, 1330712, 1403836, 1604384, 1781941, 2036504, 2328746, 2661424, 2807672, 3208768, 3563882, 4073008, 4657492, 5322848, 5615344, 7127764, 8146016, 9314984, 10645696, 11230688, 14255528, 16292032, 18629968, 22461376, 28511056, 37259936, 46075903, 57022112, 74519872, 92151806, 114044224, 184303612, 322531321, 368607224, 645062642, 737214448, 1290125284, 1474428896, 2580250568, 2948857792, 5160501136, 10321002272, 20642004544]

約数ペア:

[(1, 20642004544), (2, 10321002272), (4, 5160501136), (7, 2948857792), (8, 2580250568), (14, 1474428896), (16, 1290125284), (28, 737214448), (32, 645062642), (56, 368607224), (64, 322531321), (112, 184303612), (181, 114044224), (224, 92151806), (277, 74519872), (362, 57022112), (448, 46075903), (554, 37259936), (724, 28511056), (919, 22461376), (1108, 18629968), (1267, 16292032), (1448, 14255528), (1838, 11230688), (1939, 10645696), (2216, 9314984), (2534, 8146016), (2896, 7127764), (3676, 5615344), (3878, 5322848), (4432, 4657492), (5068, 4073008), (5792, 3563882), (6433, 3208768), (7352, 2807672), (7756, 2661424), (8864, 2328746), (10136, 2036504), (11584, 1781941), (12866, 1604384), (14704, 1403836), (15512, 1330712), (17728, 1164373), (20272, 1018252), (25732, 802192), (29408, 701918), (31024, 665356), (40544, 509126), (50137, 411712), (51464, 401096), (58816, 350959), (62048, 332678), (81088, 254563), (100274, 205856), (102928, 200548), (124096, 166339)]