20874693

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 33269760

約数和(自身を除く): 12395067

約数列:

[1, 3, 7, 21, 29, 87, 151, 203, 227, 453, 609, 681, 1057, 1589, 3171, 4379, 4767, 6583, 13137, 19749, 30653, 34277, 46081, 91959, 102831, 138243, 239939, 719817, 994033, 2982099, 6958231, 20874693]

約数ペア:

[(1, 20874693), (3, 6958231), (7, 2982099), (21, 994033), (29, 719817), (87, 239939), (151, 138243), (203, 102831), (227, 91959), (453, 46081), (609, 34277), (681, 30653), (1057, 19749), (1589, 13137), (3171, 6583), (4379, 4767)]