20679646

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 14247554

約数列:

[1, 2, 13, 26, 43, 53, 86, 106, 349, 559, 689, 698, 1118, 1378, 2279, 4537, 4558, 9074, 15007, 18497, 29627, 30014, 36994, 59254, 195091, 240461, 390182, 480922, 795371, 1590742, 10339823, 20679646]

約数ペア:

[(1, 20679646), (2, 10339823), (13, 1590742), (26, 795371), (43, 480922), (53, 390182), (86, 240461), (106, 195091), (349, 59254), (559, 36994), (689, 30014), (698, 29627), (1118, 18497), (1378, 15007), (2279, 9074), (4537, 4558)]