20003370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 50236416

約数和(自身を除く): 30233046

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 137, 155, 157, 186, 274, 310, 314, 411, 465, 471, 685, 785, 822, 930, 942, 1370, 1570, 2055, 2355, 4110, 4247, 4710, 4867, 8494, 9734, 12741, 14601, 21235, 21509, 24335, 25482, 29202, 42470, 43018, 48670, 63705, 64527, 73005, 107545, 127410, 129054, 146010, 215090, 322635, 645270, 666779, 1333558, 2000337, 3333895, 4000674, 6667790, 10001685, 20003370]

約数ペア:

[(1, 20003370), (2, 10001685), (3, 6667790), (5, 4000674), (6, 3333895), (10, 2000337), (15, 1333558), (30, 666779), (31, 645270), (62, 322635), (93, 215090), (137, 146010), (155, 129054), (157, 127410), (186, 107545), (274, 73005), (310, 64527), (314, 63705), (411, 48670), (465, 43018), (471, 42470), (685, 29202), (785, 25482), (822, 24335), (930, 21509), (942, 21235), (1370, 14601), (1570, 12741), (2055, 9734), (2355, 8494), (4110, 4867), (4247, 4710)]