20374365

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 38384640

約数和(自身を除く): 18010275

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 67, 95, 97, 165, 201, 209, 285, 291, 335, 485, 627, 737, 1005, 1045, 1067, 1273, 1455, 1843, 2211, 3135, 3201, 3685, 3819, 5335, 5529, 6365, 6499, 9215, 11055, 14003, 16005, 19095, 19497, 20273, 27645, 32495, 42009, 60819, 70015, 71489, 97485, 101365, 123481, 210045, 214467, 304095, 357445, 370443, 617405, 1072335, 1358291, 1852215, 4074873, 6791455, 20374365]

約数ペア:

[(1, 20374365), (3, 6791455), (5, 4074873), (11, 1852215), (15, 1358291), (19, 1072335), (33, 617405), (55, 370443), (57, 357445), (67, 304095), (95, 214467), (97, 210045), (165, 123481), (201, 101365), (209, 97485), (285, 71489), (291, 70015), (335, 60819), (485, 42009), (627, 32495), (737, 27645), (1005, 20273), (1045, 19497), (1067, 19095), (1273, 16005), (1455, 14003), (1843, 11055), (2211, 9215), (3135, 6499), (3201, 6365), (3685, 5529), (3819, 5335)]