20335570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 41220576

約数和(自身を除く): 20885006

約数列:

[1, 2, 5, 10, 17, 34, 37, 53, 61, 74, 85, 106, 122, 170, 185, 265, 305, 370, 530, 610, 629, 901, 1037, 1258, 1802, 1961, 2074, 2257, 3145, 3233, 3922, 4505, 4514, 5185, 6290, 6466, 9010, 9805, 10370, 11285, 16165, 19610, 22570, 32330, 33337, 38369, 54961, 66674, 76738, 109922, 119621, 166685, 191845, 239242, 274805, 333370, 383690, 549610, 598105, 1196210, 2033557, 4067114, 10167785, 20335570]

約数ペア:

[(1, 20335570), (2, 10167785), (5, 4067114), (10, 2033557), (17, 1196210), (34, 598105), (37, 549610), (53, 383690), (61, 333370), (74, 274805), (85, 239242), (106, 191845), (122, 166685), (170, 119621), (185, 109922), (265, 76738), (305, 66674), (370, 54961), (530, 38369), (610, 33337), (629, 32330), (901, 22570), (1037, 19610), (1258, 16165), (1802, 11285), (1961, 10370), (2074, 9805), (2257, 9010), (3145, 6466), (3233, 6290), (3922, 5185), (4505, 4514)]