20066715

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1543}}^1$

素因数の和:1588

約数の個数: 36

約数和(自身を含む): 36972624

約数和(自身を除く): 16905909

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 1543, 2601, 4335, 4629, 7715, 13005, 13887, 23145, 26231, 69435, 78693, 131155, 236079, 393465, 445927, 1180395, 1337781, 2229635, 4013343, 6688905, 20066715]

約数ペア:

[(1, 20066715), (3, 6688905), (5, 4013343), (9, 2229635), (15, 1337781), (17, 1180395), (45, 445927), (51, 393465), (85, 236079), (153, 131155), (255, 78693), (289, 69435), (765, 26231), (867, 23145), (1445, 13887), (1543, 13005), (2601, 7715), (4335, 4629)]