20178962367

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{487}}^1\times {\mathrm{619}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 27578949120

約数和(自身を除く): 7399986753

約数列:

[1, 3, 53, 159, 421, 487, 619, 1263, 1461, 1857, 22313, 25811, 32807, 66939, 77433, 98421, 205027, 260599, 301453, 615081, 781797, 904359, 10866431, 13811747, 15977009, 32599293, 41435241, 47931027, 126911713, 380735139, 6726320789, 20178962367]

約数ペア:

[(1, 20178962367), (3, 6726320789), (53, 380735139), (159, 126911713), (421, 47931027), (487, 41435241), (619, 32599293), (1263, 15977009), (1461, 13811747), (1857, 10866431), (22313, 904359), (25811, 781797), (32807, 615081), (66939, 301453), (77433, 260599), (98421, 205027)]