20977677

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6529}}^1$

素因数の和:6562

約数の個数: 32

約数和(自身を含む): 37612800

約数和(自身を除く): 16635123

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 6529, 19587, 45703, 58761, 110993, 137109, 176283, 332979, 411327, 776951, 998937, 1233981, 2330853, 2996811, 6992559, 20977677]

約数ペア:

[(1, 20977677), (3, 6992559), (7, 2996811), (9, 2330853), (17, 1233981), (21, 998937), (27, 776951), (51, 411327), (63, 332979), (119, 176283), (153, 137109), (189, 110993), (357, 58761), (459, 45703), (1071, 19587), (3213, 6529)]