20191265536

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{233}}^1\times {\mathrm{2003}}^1$

素因数の和:2278

約数の個数: 108

約数和(自身を含む): 43851612168

約数和(自身を除く): 23660346632

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 233, 256, 338, 416, 466, 676, 832, 932, 1352, 1664, 1864, 2003, 2704, 3029, 3328, 3728, 4006, 5408, 6058, 7456, 8012, 10816, 12116, 14912, 16024, 21632, 24232, 26039, 29824, 32048, 39377, 43264, 48464, 52078, 59648, 64096, 78754, 96928, 104156, 128192, 157508, 193856, 208312, 256384, 315016, 338507, 387712, 416624, 466699, 512768, 630032, 677014, 775424, 833248, 933398, 1260064, 1354028, 1666496, 1866796, 2520128, 2708056, 3332992, 3733592, 5040256, 5416112, 6067087, 6665984, 7467184, 10080512, 10832224, 12134174, 14934368, 21664448, 24268348, 29868736, 43328896, 48536696, 59737472, 78872131, 86657792, 97073392, 119474944, 157744262, 194146784, 315488524, 388293568, 630977048, 776587136, 1261954096, 1553174272, 2523908192, 5047816384, 10095632768, 20191265536]

約数ペア:

[(1, 20191265536), (2, 10095632768), (4, 5047816384), (8, 2523908192), (13, 1553174272), (16, 1261954096), (26, 776587136), (32, 630977048), (52, 388293568), (64, 315488524), (104, 194146784), (128, 157744262), (169, 119474944), (208, 97073392), (233, 86657792), (256, 78872131), (338, 59737472), (416, 48536696), (466, 43328896), (676, 29868736), (832, 24268348), (932, 21664448), (1352, 14934368), (1664, 12134174), (1864, 10832224), (2003, 10080512), (2704, 7467184), (3029, 6665984), (3328, 6067087), (3728, 5416112), (4006, 5040256), (5408, 3733592), (6058, 3332992), (7456, 2708056), (8012, 2520128), (10816, 1866796), (12116, 1666496), (14912, 1354028), (16024, 1260064), (21632, 933398), (24232, 833248), (26039, 775424), (29824, 677014), (32048, 630032), (39377, 512768), (43264, 466699), (48464, 416624), (52078, 387712), (59648, 338507), (64096, 315016), (78754, 256384), (96928, 208312), (104156, 193856), (128192, 157508)]