20201478535

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1\times {\mathrm{15749}}^1$

素因数の和:16375

約数の個数: 32

約数和(自身を含む): 28171584000

約数和(自身を除く): 7970105465

約数列:

[1, 5, 7, 35, 67, 335, 469, 547, 2345, 2735, 3829, 15749, 19145, 36649, 78745, 110243, 183245, 256543, 551215, 1055183, 1282715, 5275915, 7386281, 8614703, 36931405, 43073515, 60302921, 301514605, 577185101, 2885925505, 4040295707, 20201478535]

約数ペア:

[(1, 20201478535), (5, 4040295707), (7, 2885925505), (35, 577185101), (67, 301514605), (335, 60302921), (469, 43073515), (547, 36931405), (2345, 8614703), (2735, 7386281), (3829, 5275915), (15749, 1282715), (19145, 1055183), (36649, 551215), (78745, 256543), (110243, 183245)]