20172952845

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:596

約数の個数: 144

約数和(自身を含む): 38482179840

約数和(自身を除く): 18309226995

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 59, 61, 85, 153, 177, 183, 255, 289, 295, 305, 431, 531, 549, 765, 867, 885, 915, 1003, 1037, 1293, 1445, 2155, 2601, 2655, 2745, 3009, 3111, 3599, 3879, 4335, 5015, 5185, 6465, 7327, 9027, 9333, 10797, 13005, 15045, 15555, 17051, 17629, 17995, 19395, 21981, 25429, 26291, 32391, 36635, 45135, 46665, 51153, 52887, 53985, 61183, 65943, 76287, 78873, 85255, 88145, 109905, 124559, 127145, 131455, 153459, 158661, 161955, 183549, 228861, 236619, 255765, 264435, 305915, 329715, 373677, 381435, 394365, 432293, 446947, 550647, 622795, 767295, 793305, 917745, 1040111, 1121031, 1144305, 1183095, 1296879, 1340841, 1551169, 1868385, 2161465, 2234735, 2753235, 3120333, 3890637, 4022523, 4653507, 5200555, 5605155, 6484395, 6704205, 7348981, 7598099, 7755845, 9360999, 13960521, 15601665, 19453185, 20112615, 22046943, 22794297, 23267535, 26369873, 36744905, 37990495, 46804995, 66140829, 68382891, 69802605, 79109619, 110234715, 113971485, 131849365, 237328857, 330704145, 341914455, 395548095, 448287841, 1186644285, 1344863523, 2241439205, 4034590569, 6724317615, 20172952845]

約数ペア:

[(1, 20172952845), (3, 6724317615), (5, 4034590569), (9, 2241439205), (15, 1344863523), (17, 1186644285), (45, 448287841), (51, 395548095), (59, 341914455), (61, 330704145), (85, 237328857), (153, 131849365), (177, 113971485), (183, 110234715), (255, 79109619), (289, 69802605), (295, 68382891), (305, 66140829), (431, 46804995), (531, 37990495), (549, 36744905), (765, 26369873), (867, 23267535), (885, 22794297), (915, 22046943), (1003, 20112615), (1037, 19453185), (1293, 15601665), (1445, 13960521), (2155, 9360999), (2601, 7755845), (2655, 7598099), (2745, 7348981), (3009, 6704205), (3111, 6484395), (3599, 5605155), (3879, 5200555), (4335, 4653507), (5015, 4022523), (5185, 3890637), (6465, 3120333), (7327, 2753235), (9027, 2234735), (9333, 2161465), (10797, 1868385), (13005, 1551169), (15045, 1340841), (15555, 1296879), (17051, 1183095), (17629, 1144305), (17995, 1121031), (19395, 1040111), (21981, 917745), (25429, 793305), (26291, 767295), (32391, 622795), (36635, 550647), (45135, 446947), (46665, 432293), (51153, 394365), (52887, 381435), (53985, 373677), (61183, 329715), (65943, 305915), (76287, 264435), (78873, 255765), (85255, 236619), (88145, 228861), (109905, 183549), (124559, 161955), (127145, 158661), (131455, 153459)]