20045975901

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{23117}}^1$

素因数の和:23498

約数の個数: 48

約数和(自身を含む): 33016942656

約数和(自身を除く): 12970966755

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 347, 357, 833, 1041, 2429, 2499, 5899, 7287, 17003, 17697, 23117, 41293, 51009, 69351, 123879, 161819, 289051, 392989, 485457, 867153, 1132733, 1178967, 2750923, 3398199, 8021599, 8252769, 19256461, 24064797, 56151193, 57769383, 136367183, 168453579, 393058351, 409101549, 954570281, 1179175053, 2863710843, 6681991967, 20045975901]

約数ペア:

[(1, 20045975901), (3, 6681991967), (7, 2863710843), (17, 1179175053), (21, 954570281), (49, 409101549), (51, 393058351), (119, 168453579), (147, 136367183), (347, 57769383), (357, 56151193), (833, 24064797), (1041, 19256461), (2429, 8252769), (2499, 8021599), (5899, 3398199), (7287, 2750923), (17003, 1178967), (17697, 1132733), (23117, 867153), (41293, 485457), (51009, 392989), (69351, 289051), (123879, 161819)]